<?xml version="1.0" encoding="us-ascii"?>
<!--XBRL document created with Crossfire by Rivet Software version 5.8.101.0 http://www.rivetsoftware.com-->
<!--Based on XBRL 2.1-->
<!--Created on: 2/27/2014 10:11:55 AM-->
<!--Modified on: 2/27/2014 10:11:55 AM-->
<schema xmlns="http://www.w3.org/2001/XMLSchema" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" targetNamespace="http://www.lbfoster.com/20131231" elementFormDefault="qualified" attributeFormDefault="unqualified" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:fstr="http://www.lbfoster.com/20131231" xmlns:us-types="http://fasb.org/us-types/2013-01-31">
  <annotation>
    <appinfo>
      <link:roleType roleURI="http://www.lbfoster.com/role/StatementConsolidatedBalanceSheets" id="StatementConsolidatedBalanceSheets">
        <link:definition>00100 - Statement - Consolidated Balance Sheets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/StatementConsolidatedStatementsOfOperations" id="StatementConsolidatedStatementsOfOperations">
        <link:definition>00200 - Statement - Consolidated Statements of Operations</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/StatementConsolidatedStatementsOfComprehensiveIncome" id="StatementConsolidatedStatementsOfComprehensiveIncome">
        <link:definition>00300 - Statement - Consolidated Statements of Comprehensive Income</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/StatementConsolidatedStatementsOfCashFlows" id="StatementConsolidatedStatementsOfCashFlows">
        <link:definition>00400 - Statement - Consolidated Statements of Cash Flows</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureAcquisitionsAllocationOfPurchasePriceDetails" id="DisclosureAcquisitionsAllocationOfPurchasePriceDetails">
        <link:definition>40302 - Disclosure - Acquisitions (Allocation of Purchase Price) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureGoodwillAndOtherIntangibleAssetsScheduleOfIntangibleAssetsDetails" id="DisclosureGoodwillAndOtherIntangibleAssetsScheduleOfIntangibleAssetsDetails">
        <link:definition>40503 - Disclosure - Goodwill and Other Intangible Assets (Schedule of Intangible Assets) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureGoodwillAndOtherIntangibleAssetsScheduleOfExpectedAmortizationExpenseDetails" id="DisclosureGoodwillAndOtherIntangibleAssetsScheduleOfExpectedAmortizationExpenseDetails">
        <link:definition>40504 - Disclosure - Goodwill and Other Intangible Assets (Schedule of Expected Amortization Expense) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureAccountsReceivableAccountsReceivableOfContinuingOperationsDetails" id="DisclosureAccountsReceivableAccountsReceivableOfContinuingOperationsDetails">
        <link:definition>40601 - Disclosure - Accounts Receivable (Accounts Receivable Of Continuing Operations) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureInventoryScheduleOfInventoryDetails" id="DisclosureInventoryScheduleOfInventoryDetails">
        <link:definition>40701 - Disclosure - Inventory (Schedule of Inventory) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosurePropertyPlantAndEquipmentDetails" id="DisclosurePropertyPlantAndEquipmentDetails">
        <link:definition>40801 - Disclosure - Property, Plant and Equipment (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureInvestmentsScheduleOfDirectFinancingFutureMinimumLeasePaymentsForCapitalLeasesTableDetails" id="DisclosureInvestmentsScheduleOfDirectFinancingFutureMinimumLeasePaymentsForCapitalLeasesTableDetails">
        <link:definition>40903 - Disclosure - Investments (Schedule of Direct Financing Future Minimum Lease Payments for Capital Leases Table) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureLongTermDebtAndRelatedMattersScheduleOfLongTermDebtTableDetails" id="DisclosureLongTermDebtAndRelatedMattersScheduleOfLongTermDebtTableDetails">
        <link:definition>41101 - Disclosure - Long-Term Debt and Related Matters (Schedule Of Long-Term Debt Table) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureLongTermDebtAndRelatedMattersScheduleOfLongTermDebtMaturitiesTableDetails" id="DisclosureLongTermDebtAndRelatedMattersScheduleOfLongTermDebtMaturitiesTableDetails">
        <link:definition>41102 - Disclosure - Long-Term Debt and Related Matters (Schedule Of Long-Term Debt Maturities Table) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureAccumulatedOtherComprehensiveLossDetails" id="DisclosureAccumulatedOtherComprehensiveLossDetails">
        <link:definition>41301 - Disclosure - Accumulated Other Comprehensive Loss (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureEarningPerCommonShareScheduleOfEarningsPerShareBasicAndDilutedDetails" id="DisclosureEarningPerCommonShareScheduleOfEarningsPerShareBasicAndDilutedDetails">
        <link:definition>41401 - Disclosure - Earning Per Common Share (Schedule of Earnings Per Share, Basic and Diluted) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureIncomeTaxesSignificantComponentsOfDeferredTaxLiabilitiesAndAssetsTableDetails" id="DisclosureIncomeTaxesSignificantComponentsOfDeferredTaxLiabilitiesAndAssetsTableDetails">
        <link:definition>41501 - Disclosure - Income Taxes (Significant Components Of Deferred Tax Liabilities And Assets Table) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureIncomeTaxesSignificantComponentsOfProvisionForIncomeTaxesTableDetails" id="DisclosureIncomeTaxesSignificantComponentsOfProvisionForIncomeTaxesTableDetails">
        <link:definition>41502 - Disclosure - Income Taxes (Significant Components Of The Provision For Income Taxes Table) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureIncomeTaxesIncomeBeforeIncomeTaxDomesticAndForeignComponentsTableDetails" id="DisclosureIncomeTaxesIncomeBeforeIncomeTaxDomesticAndForeignComponentsTableDetails">
        <link:definition>41504 - Disclosure - Income Taxes (Income Before Income Tax Domestic And Foreign Components Table) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureIncomeTaxesReconciliationOfIncomeTaxRatesDetails" id="DisclosureIncomeTaxesReconciliationOfIncomeTaxRatesDetails">
        <link:definition>41505 - Disclosure - Income Taxes (Reconciliation Of Income Tax Rates) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureRetirementPlansScheduleOfBenefitObligationFairValueOfAssetsAndFundedStatusOfPlansDetails" id="DisclosureRetirementPlansScheduleOfBenefitObligationFairValueOfAssetsAndFundedStatusOfPlansDetails">
        <link:definition>41702 - Disclosure - Retirement Plans (Schedule of Benefit Obligation, Fair Value of Assets, and Funded Status of the Plans) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureRetirementPlansScheduleOfNetPeriodicBenefitCostsDetails" id="DisclosureRetirementPlansScheduleOfNetPeriodicBenefitCostsDetails">
        <link:definition>41703 - Disclosure - Retirement Plans (Schedule Of Net Periodic Benefit Costs) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureRentalAndLeaseInformationFutureMinimumLeasePaymentTableDetails" id="DisclosureRentalAndLeaseInformationFutureMinimumLeasePaymentTableDetails">
        <link:definition>41802 - Disclosure - Rental And Lease Information (Future Minimum Lease Payment Table) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureRentalAndLeaseInformationAssetsRecordedUnderCapitalLeasesTableDetails" id="DisclosureRentalAndLeaseInformationAssetsRecordedUnderCapitalLeasesTableDetails">
        <link:definition>41803 - Disclosure - Rental And Lease Information (Assets Recorded Under Capital Leases Table) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/StatementDocumentAndEntityInformation" id="StatementDocumentAndEntityInformation">
        <link:definition>00090 - Statement - Document and Entity Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/StatementConsolidatedBalanceSheetsParenthetical" id="StatementConsolidatedBalanceSheetsParenthetical">
        <link:definition>00105 - Statement - Consolidated Balance Sheets (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/StatementConsolidatedStatementsOfComprehensiveIncomeParenthetical" id="StatementConsolidatedStatementsOfComprehensiveIncomeParenthetical">
        <link:definition>00305 - Statement - Consolidated Statements of Comprehensive Income (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/StatementConsolidatedStatementsOfStockholdersEquity" id="StatementConsolidatedStatementsOfStockholdersEquity">
        <link:definition>00500 - Statement - Consolidated Statements Of Stockholders' Equity</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/StatementConsolidatedStatementsOfStockholdersEquityParentheticals" id="StatementConsolidatedStatementsOfStockholdersEquityParentheticals">
        <link:definition>00505 - Statement - Consolidated Statements Of Stockholders' Equity (Parentheticals)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureSummaryOfSignificantAccountingPolicies" id="DisclosureSummaryOfSignificantAccountingPolicies">
        <link:definition>10101 - Disclosure - Summary Of Significant Accounting Policies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureBusinessSegments" id="DisclosureBusinessSegments">
        <link:definition>10201 - Disclosure - Business Segments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureAcquisitions" id="DisclosureAcquisitions">
        <link:definition>10301 - Disclosure - Acquisitions</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureDiscontinuedOperations" id="DisclosureDiscontinuedOperations">
        <link:definition>10401 - Disclosure - Discontinued Operations</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureGoodwillAndOtherIntangibleAssets" id="DisclosureGoodwillAndOtherIntangibleAssets">
        <link:definition>10501 - Disclosure - Goodwill and Other Intangible Assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureAccountsReceivable" id="DisclosureAccountsReceivable">
        <link:definition>10601 - Disclosure - Accounts Receivable</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureInventory" id="DisclosureInventory">
        <link:definition>10701 - Disclosure - Inventory</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosurePropertyPlantAndEquipment" id="DisclosurePropertyPlantAndEquipment">
        <link:definition>10801 - Disclosure - Property, Plant and Equipment</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureInvestments" id="DisclosureInvestments">
        <link:definition>10901 - Disclosure - Investments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureBorrowings" id="DisclosureBorrowings">
        <link:definition>11001 - Disclosure - Borrowings</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureLongTermDebtAndRelatedMatters" id="DisclosureLongTermDebtAndRelatedMatters">
        <link:definition>11101 - Disclosure - Long-Term Debt and Related Matters</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureStockholdersEquity" id="DisclosureStockholdersEquity">
        <link:definition>11201 - Disclosure - Stockholders' Equity</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureAccumulatedOtherComprehensiveLoss" id="DisclosureAccumulatedOtherComprehensiveLoss">
        <link:definition>11301 - Disclosure - Accumulated Other Comprehensive Loss</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureEarningsPerCommonShare" id="DisclosureEarningsPerCommonShare">
        <link:definition>11401 - Disclosure - Earnings Per Common Share</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureIncomeTaxes" id="DisclosureIncomeTaxes">
        <link:definition>11501 - Disclosure - Income Taxes</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureStockBasedCompensation" id="DisclosureStockBasedCompensation">
        <link:definition>11601 - Disclosure - Stock-Based Compensation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureRetirementPlans" id="DisclosureRetirementPlans">
        <link:definition>11701 - Disclosure - Retirement Plans</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureRentalAndLeaseInformation" id="DisclosureRentalAndLeaseInformation">
        <link:definition>11801 - Disclosure - Rental And Lease Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureFairValueMeasurements" id="DisclosureFairValueMeasurements">
        <link:definition>11901 - Disclosure - Fair Value Measurements</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureCommitmentsAndContingentLiabilities" id="DisclosureCommitmentsAndContingentLiabilities">
        <link:definition>12001 - Disclosure - Commitments and Contingent Liabilities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureQuarterlyFinancialInformationUnaudited" id="DisclosureQuarterlyFinancialInformationUnaudited">
        <link:definition>12101 - Disclosure - Quarterly Financial Information (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" id="DisclosureSummaryOfSignificantAccountingPoliciesPolicies">
        <link:definition>20102 - Disclosure - Summary of Significant Accounting Policies (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTables" id="DisclosureSummaryOfSignificantAccountingPoliciesTables">
        <link:definition>30103 - Disclosure - Summary Of Significant Accounting Policies (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureBusinessSegmentsTables" id="DisclosureBusinessSegmentsTables">
        <link:definition>30203 - Disclosure - Business Segments (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureAcquisitionsTables" id="DisclosureAcquisitionsTables">
        <link:definition>30303 - Disclosure - Acquisitions (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureDiscontinuedOperationsTables" id="DisclosureDiscontinuedOperationsTables">
        <link:definition>30403 - Disclosure - Discontinued Operations (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureGoodwillAndOtherIntangibleAssetsTables" id="DisclosureGoodwillAndOtherIntangibleAssetsTables">
        <link:definition>30503 - Disclosure - Goodwill and Other Intangible Assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureAccountsReceivableTables" id="DisclosureAccountsReceivableTables">
        <link:definition>30603 - Disclosure - Accounts Receivable (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureInventoryTables" id="DisclosureInventoryTables">
        <link:definition>30703 - Disclosure - Inventory (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosurePropertyPlantAndEquipmentTables" id="DisclosurePropertyPlantAndEquipmentTables">
        <link:definition>30803 - Disclosure - Property, Plant and Equipment (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureInvestmentsTables" id="DisclosureInvestmentsTables">
        <link:definition>30903 - Disclosure - Investments (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureLongTermDebtAndRelatedMattersTables" id="DisclosureLongTermDebtAndRelatedMattersTables">
        <link:definition>31103 - Disclosure - Long-Term Debt and Related Matters (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureStockholdersEquityTables" id="DisclosureStockholdersEquityTables">
        <link:definition>31203 - Disclosure - Stockholders' Equity (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureAccumulatedOtherComprehensiveLossTables" id="DisclosureAccumulatedOtherComprehensiveLossTables">
        <link:definition>31303 - Disclosure - Accumulated Other Comprehensive Loss (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureEarningsPerCommonShareTables" id="DisclosureEarningsPerCommonShareTables">
        <link:definition>31403 - Disclosure - Earnings Per Common Share (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureIncomeTaxesTables" id="DisclosureIncomeTaxesTables">
        <link:definition>31503 - Disclosure - Income Taxes (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureStockBasedCompensationTables" id="DisclosureStockBasedCompensationTables">
        <link:definition>31603 - Disclosure - Stock-Based Compensation (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureRetirementPlansTables" id="DisclosureRetirementPlansTables">
        <link:definition>31703 - Disclosure - Retirement Plans (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureRentalAndLeaseInformationTables" id="DisclosureRentalAndLeaseInformationTables">
        <link:definition>31803 - Disclosure - Rental And Lease Information (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureFairValueMeasurementsTables" id="DisclosureFairValueMeasurementsTables">
        <link:definition>31903 - Disclosure - Fair Value Measurements (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureCommitmentsAndContingentLiabilitesTables" id="DisclosureCommitmentsAndContingentLiabilitesTables">
        <link:definition>32003 - Disclosure - Commitments and Contingent Liabilites (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureQuarterlyFinancialInformationTables" id="DisclosureQuarterlyFinancialInformationTables">
        <link:definition>32103 - Disclosure - Quarterly Financial Information (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureSummaryOfSignificantAccountingPoliciesNarrativeDetails" id="DisclosureSummaryOfSignificantAccountingPoliciesNarrativeDetails">
        <link:definition>40101 - Disclosure - Summary Of Significant Accounting Policies (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfInvestmentsInMoneyMarketFundsTableDetails" id="DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfInvestmentsInMoneyMarketFundsTableDetails">
        <link:definition>40102 - Disclosure - Summary Of Significant Accounting Policies (Schedule Of Investments In Money Market Funds Table) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureBusinessSegmentsNarrativeDetails" id="DisclosureBusinessSegmentsNarrativeDetails">
        <link:definition>40201 - Disclosure - Business Segments (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureBusinessSegmentsReconciliationOfSignificantReconcilingItemsDetails" id="DisclosureBusinessSegmentsReconciliationOfSignificantReconcilingItemsDetails">
        <link:definition>40202 - Disclosure - Business Segments (Reconciliation of Significant Reconciling Items) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureBusinessSegmentsScheduleOfReportingSementDataToConsolidatedTotalsFromContinuingOpsDetails" id="DisclosureBusinessSegmentsScheduleOfReportingSementDataToConsolidatedTotalsFromContinuingOpsDetails">
        <link:definition>40203 - Disclosure - Business Segments (Schedule Of Reporting Sement Data To Consolidated Totals From Continuing Ops) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureAcquisitionsNarrativeDetails" id="DisclosureAcquisitionsNarrativeDetails">
        <link:definition>40301 - Disclosure - Acquisitions (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureAcquisitionsIdentifiableIntangibleAssetsAcquiredDetails" id="DisclosureAcquisitionsIdentifiableIntangibleAssetsAcquiredDetails">
        <link:definition>40303 - Disclosure - Acquisitions (Identifiable Intangible Assets Acquired) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureDiscontinuedOperationsNarrativeDetails" id="DisclosureDiscontinuedOperationsNarrativeDetails">
        <link:definition>40401 - Disclosure - Discontinued Operations (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureDiscontinuedOperationsScheduleOfNetSalesAndIncomeFromDiscontinuedOperationsDetails" id="DisclosureDiscontinuedOperationsScheduleOfNetSalesAndIncomeFromDiscontinuedOperationsDetails">
        <link:definition>40402 - Disclosure - Discontinued Operations (Schedule of Net Sales and Income from Discontinued Operations) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureDiscontinuedOperationsBalanceSheetForDiscontinuedOperationsDetails" id="DisclosureDiscontinuedOperationsBalanceSheetForDiscontinuedOperationsDetails">
        <link:definition>40403 - Disclosure - Discontinued Operations (Balance Sheet for Discontinued Operations) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureGoodwillAndOtherIntangibleAssetsNarrativeDetails" id="DisclosureGoodwillAndOtherIntangibleAssetsNarrativeDetails">
        <link:definition>40501 - Disclosure - Goodwill and Other Intangible Assets (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureGoodwillAndOtherIntangibleAssetsScheduleOfGoodwillDetails" id="DisclosureGoodwillAndOtherIntangibleAssetsScheduleOfGoodwillDetails">
        <link:definition>40502 - Disclosure - Goodwill and Other Intangible Assets (Schedule of Goodwill) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureAccountsReceivableSegmentTradeAccountsReceivableDetails" id="DisclosureAccountsReceivableSegmentTradeAccountsReceivableDetails">
        <link:definition>40602 - Disclosure - Accounts Receivable (Segment Trade Accounts Receivable) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureInvestmentsNarrativeDetails" id="DisclosureInvestmentsNarrativeDetails">
        <link:definition>40901 - Disclosure - Investments (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureInvestmentsScheduleOfCarryingAmountAndMaximumLossExposureOfEquityInvestmentsDetails" id="DisclosureInvestmentsScheduleOfCarryingAmountAndMaximumLossExposureOfEquityInvestmentsDetails">
        <link:definition>40902 - Disclosure - Investments (Schedule Of Carrying Amount And Maximum Loss Exposure Of Equity Investments) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureBorrowingsNarrativeDetails" id="DisclosureBorrowingsNarrativeDetails">
        <link:definition>41001 - Disclosure - Borrowings (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureStockholdersEquityNarrativeDetails" id="DisclosureStockholdersEquityNarrativeDetails">
        <link:definition>41201 - Disclosure - Stockholders' Equity (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureStockholdersEquityRollforwardOfCommonStockTableDetails" id="DisclosureStockholdersEquityRollforwardOfCommonStockTableDetails">
        <link:definition>41202 - Disclosure - Stockholders' Equity (Rollforward Of Common Stock Table) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureIncomeTaxesUnrecordedDeferredIncomeTaxesOnUndistributedEarningsOfForeignSubsidiariesDetails" id="DisclosureIncomeTaxesUnrecordedDeferredIncomeTaxesOnUndistributedEarningsOfForeignSubsidiariesDetails">
        <link:definition>41503 - Disclosure - Income Taxes (Unrecorded Deferred Income Taxes On Undistributed Earnings Of Foreign Subsidiaries) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureIncomeTaxesOperatingLossCarryforwardsNarrativeDetails" id="DisclosureIncomeTaxesOperatingLossCarryforwardsNarrativeDetails">
        <link:definition>41506 - Disclosure - Income Taxes (Operating Loss Carryforwards) (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureIncomeTaxesReconciliationOfUnrecognizedTaxBenefitsTableDetails" id="DisclosureIncomeTaxesReconciliationOfUnrecognizedTaxBenefitsTableDetails">
        <link:definition>41507 - Disclosure - Income Taxes (Reconciliation Of Unrecognized Tax Benefits Table) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureStockBasedCompensationNarrativeDetails" id="DisclosureStockBasedCompensationNarrativeDetails">
        <link:definition>41601 - Disclosure - Stock-Based Compensation (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureStockBasedCompensationSummaryOfStockOptionActivityDetails" id="DisclosureStockBasedCompensationSummaryOfStockOptionActivityDetails">
        <link:definition>41602 - Disclosure - Stock-Based Compensation (Summary of Stock Option Activity) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureStockBasedCompensationCertainInformationRelativeToStockOptionsTableDetails" id="DisclosureStockBasedCompensationCertainInformationRelativeToStockOptionsTableDetails">
        <link:definition>41603 - Disclosure - Stock-Based Compensation (Certain Information Relative To Stock Options Table) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureStockBasedCompensationScheduleOfRestrictedStockAwardsDetails" id="DisclosureStockBasedCompensationScheduleOfRestrictedStockAwardsDetails">
        <link:definition>41604 - Disclosure - Stock-Based Compensation (Schedule of Restricted Stock Awards) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureStockBasedCompensationScheduleOfPerformanceUnitAwardsDetails" id="DisclosureStockBasedCompensationScheduleOfPerformanceUnitAwardsDetails">
        <link:definition>41605 - Disclosure - Stock-Based Compensation (Schedule of Performance Unit Awards) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureStockBasedCompensationNumberOfSharesAtAverageGrantDateFairValueOverTenDayPeriodTableDetails" id="DisclosureStockBasedCompensationNumberOfSharesAtAverageGrantDateFairValueOverTenDayPeriodTableDetails">
        <link:definition>41606 - Disclosure - Stock-Based Compensation (Number Of Shares At Average Grant Date Fair Value Over Ten Day Period Table) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureRetirementPlansNarrativeDetails" id="DisclosureRetirementPlansNarrativeDetails">
        <link:definition>41701 - Disclosure - Retirement Plans (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureRetirementPlansInformationAboutPlanAssetsDetails" id="DisclosureRetirementPlansInformationAboutPlanAssetsDetails">
        <link:definition>41704 - Disclosure - Retirement Plans (Information About Plan Assets) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureRetirementPlansBenefitPaymentsDetails" id="DisclosureRetirementPlansBenefitPaymentsDetails">
        <link:definition>41705 - Disclosure - Retirement Plans (Benefit Payments) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureRetirementPlansOtherPostRetirementRetirementPlanDetails" id="DisclosureRetirementPlansOtherPostRetirementRetirementPlanDetails">
        <link:definition>41710 - Disclosure - Retirement Plans (Other Post-Retirement Retirement Plan) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureRetirementPlansDefinedContributionPlansDetails" id="DisclosureRetirementPlansDefinedContributionPlansDetails">
        <link:definition>41711 - Disclosure - Retirement Plans (Defined Contribution Plans) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureRentalAndLeaseInformationNarrativeDetails" id="DisclosureRentalAndLeaseInformationNarrativeDetails">
        <link:definition>41801 - Disclosure - Rental And Lease Information (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureFairValueMeasurementsScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisDetails" id="DisclosureFairValueMeasurementsScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisDetails">
        <link:definition>41901 - Disclosure - Fair Value Measurements (Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureCommitmentsAndContingentLiabilitesNarrativeDetails" id="DisclosureCommitmentsAndContingentLiabilitesNarrativeDetails">
        <link:definition>42001 - Disclosure - Commitments and Contingent Liabilites (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureCommitmentsAndContingentLiabilitiesScheduleOfProductWarrantyLiabilityDetails" id="DisclosureCommitmentsAndContingentLiabilitiesScheduleOfProductWarrantyLiabilityDetails">
        <link:definition>42002 - Disclosure - Commitments and Contingent Liabilities (Schedule of Product Warranty Liability) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lbfoster.com/role/DisclosureQuarterlyFinancialInformationUnauditedTablesDetails" id="DisclosureQuarterlyFinancialInformationUnauditedTablesDetails">
        <link:definition>42101 - Disclosure - Quarterly Financial Information (Unaudited) (Tables) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:linkbaseRef xlink:type="simple" xlink:href="fstr-20131231_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Presentation Links, all" />
      <link:linkbaseRef xlink:type="simple" xlink:href="fstr-20131231_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Calculation Links, all" />
      <link:linkbaseRef xlink:type="simple" xlink:href="fstr-20131231_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Label Links, all" />
      <link:linkbaseRef xlink:type="simple" xlink:href="fstr-20131231_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Definition Links, all" />
    </appinfo>
  </annotation>
  <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
  <import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd" />
  <import namespace="http://xbrl.sec.gov/dei/2013-01-31" schemaLocation="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd" />
  <import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" />
  <import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" />
  <import namespace="http://xbrl.sec.gov/invest/2013-01-31" schemaLocation="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd" />
  <import namespace="http://fasb.org/us-gaap/2013-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd" />
  <element id="fstr_TotalOperatingExpenses" name="TotalOperatingExpenses" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="fstr_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="fstr_SupplierRelationshipsMember" name="SupplierRelationshipsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_RailProductsSegmentMember" name="RailProductsSegmentMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_ConstructionProductsSegmentMember" name="ConstructionProductsSegmentMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_ShippingSystemsDivisionMember" name="ShippingSystemsDivisionMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantDate" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantDate" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <element id="fstr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateFairValue" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="fstr_GrantDate212012Member" name="GrantDate212012Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_GrantDate362012Member" name="GrantDate362012Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_IncentivePlan20112013Member" name="IncentivePlan20112013Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_IncentivePlan20122014Member" name="IncentivePlan20122014Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_GrantedToEmployeeDirectorMember" name="GrantedToEmployeeDirectorMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_GrantedToExecutiveMember" name="GrantedToExecutiveMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAggregateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAggregateFairValue" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="fstr_TubularProductsSegmentsMember" name="TubularProductsSegmentsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_SalariedBenefitPlanMember" name="SalariedBenefitPlanMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_UnionBenefitPlanMember" name="UnionBenefitPlanMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_MontrealBenefitPlanMember" name="MontrealBenefitPlanMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_UnitedKingdomBenefitPlanMember" name="UnitedKingdomBenefitPlanMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_NatwestBankMember" name="NatwestBankMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_PncBankNBankOfAmericaNWellsFargoBankNAndCitizensBankOfPennsylvaniaMember" name="PncBankNBankOfAmericaNWellsFargoBankNAndCitizensBankOfPennsylvaniaMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_LineOfCreditFacilityProvisionForIncreaseInCapacity" name="LineOfCreditFacilityProvisionForIncreaseInCapacity" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="fstr_CapitalLeasesBalloonPaymentInDirectFinancingLeases" name="CapitalLeasesBalloonPaymentInDirectFinancingLeases" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="fstr_CapitalLeaseLengthOfRenewalTerm" name="CapitalLeaseLengthOfRenewalTerm" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <element id="fstr_CapitalLeaseLengthOfLeaseTerm" name="CapitalLeaseLengthOfLeaseTerm" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <element id="fstr_GrantDate5232012Member" name="GrantDate5232012Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_GrantDate3152011Member" name="GrantDate3152011Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_CapitalLeasesMonthlyRent" name="CapitalLeasesMonthlyRent" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="fstr_PreciseStructuralProductsBusinessMember" name="PreciseStructuralProductsBusinessMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_GrantDate7212011Member" name="GrantDate7212011Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_GrantDate8292011Member" name="GrantDate8292011Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_CanadianEmployeesMember" name="CanadianEmployeesMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_ReserveForConcreteTiesMember" name="ReserveForConcreteTiesMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_ExcessOfBookLifoOverTaxLifoValue" name="ExcessOfBookLifoOverTaxLifoValue" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="fstr_ImprovementsToLandAndLeaseholdsMember" name="ImprovementsToLandAndLeaseholdsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_MachineryAndEquipmentIncludingEquipmentUnderCapitalizedLeasesMember" name="MachineryAndEquipmentIncludingEquipmentUnderCapitalizedLeasesMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_CapitalLeasedLandMember" name="CapitalLeasedLandMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_PriorRevolvingCreditFacilityMember" name="PriorRevolvingCreditFacilityMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_PriorCreditFacilityTermLoanMember" name="PriorCreditFacilityTermLoanMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_RevolvingCreditFacilityAvailableToCanadianBorrowersMember" name="RevolvingCreditFacilityAvailableToCanadianBorrowersMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_NatwestBankOutstandingGuaranteesMember" name="NatwestBankOutstandingGuaranteesMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_LongTermDebtAndLeaseObligationsTotal" name="LongTermDebtAndLeaseObligationsTotal" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <element id="fstr_CommonStockDividendPerQuarterMember" name="CommonStockDividendPerQuarterMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_May2011ShareRepurchaseProgramMember" name="May2011ShareRepurchaseProgramMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_StockRepurchaseProgramPeriodEndDate" name="StockRepurchaseProgramPeriodEndDate" nillable="true" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <element id="fstr_StockIssuedDuringPeriodSharesTreasuryStockReissuedCommonSharesOutstanding" name="StockIssuedDuringPeriodSharesTreasuryStockReissuedCommonSharesOutstanding" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_CommonStockOutstandingSharesAcquiredForTreasury" name="CommonStockOutstandingSharesAcquiredForTreasury" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_The1998PlanMember" name="The1998PlanMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_OmnibusPlanMember" name="OmnibusPlanMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_FullyVestedStockAwardsMember" name="FullyVestedStockAwardsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_GrantedToNonEmployeeDirectorsMember" name="GrantedToNonEmployeeDirectorsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_GrantDate12112012Member" name="GrantDate12112012Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_RistrictedStockAndPerformanceSharesCombinedMember" name="RistrictedStockAndPerformanceSharesCombinedMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_OtherPostRetirementBenefitPlanMember" name="OtherPostRetirementBenefitPlanMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_BurnabyBenefitPlanMember" name="BurnabyBenefitPlanMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_ScheduleOfFutureMinimumPaymentsUnderCapitalAndOperatingLeases" name="ScheduleOfFutureMinimumPaymentsUnderCapitalAndOperatingLeases" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_Customer1Member" name="Customer1Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_RailProductsAndConstructionProductsMember" name="RailProductsAndConstructionProductsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_UnitedStatesMember" name="UnitedStatesMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_CanadaMember" name="CanadaMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_UnitedKingdomMember" name="UnitedKingdomMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_OtherSegReportingMember" name="OtherSegReportingMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_RailDistributionProductsMember" name="RailDistributionProductsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_PilingProductsMember" name="PilingProductsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_RailTechnologiesProductsMember" name="RailTechnologiesProductsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_CxtConcreteTieProductsMember" name="CxtConcreteTieProductsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_CxtConcreteBuildingProductsMember" name="CxtConcreteBuildingProductsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_OtherProductsMember" name="OtherProductsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_EffectiveIncomeTaxRateDiscontinuedOperations" name="EffectiveIncomeTaxRateDiscontinuedOperations" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_GrantDate22713Member" name="GrantDate22713Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_IncentivePlan20132015Member" name="IncentivePlan20132015Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_SegmentReconcilingItemsLifoMember" name="SegmentReconcilingItemsLifoMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_LBFosterBallWinchIncMember" name="LBFosterBallWinchIncMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_December2013ShareRepurchaseProgramMember" name="December2013ShareRepurchaseProgramMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_MutualFundsMember" name="MutualFundsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_AssetAllocationsCommonStockMember" name="AssetAllocationsCommonStockMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_AlternativesMember" name="AlternativesMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_NonDomesticMember" name="NonDomesticMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_TransitProductsMember" name="TransitProductsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_UprrMember" name="UprrMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_UnallocatedCorporateCostsAndExpenses" name="UnallocatedCorporateCostsAndExpenses" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="fstr_DividendIncreaseAuthorizedDate" name="DividendIncreaseAuthorizedDate" nillable="true" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_UnitedStatesDefinedBenefitPlansWithBenefitObligationsInExcessOfPlanAssetsMember" name="UnitedStatesDefinedBenefitPlansWithBenefitObligationsInExcessOfPlanAssetsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_UnitedKingdomDefinedBenefitPlansWithBenefitObligationsInExcessOfPlanAssetsMember" name="UnitedKingdomDefinedBenefitPlansWithBenefitObligationsInExcessOfPlanAssetsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="fstr_ScheduleOfRevenuesByMajorProductLineTableTextBlock" name="ScheduleOfRevenuesByMajorProductLineTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
</schema>
