<SEC-DOCUMENT>0001203394-15-000017.txt : 20150508
<SEC-HEADER>0001203394-15-000017.hdr.sgml : 20150508
<ACCEPTANCE-DATETIME>20150508112641
ACCESSION NUMBER:		0001203394-15-000017
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20150428
FILED AS OF DATE:		20150508
DATE AS OF CHANGE:		20150508

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			VALMONT INDUSTRIES INC
		CENTRAL INDEX KEY:			0000102729
		STANDARD INDUSTRIAL CLASSIFICATION:	FABRICATED STRUCTURAL METAL PRODUCTS [3440]
		IRS NUMBER:				470351813
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1207

	BUSINESS ADDRESS:	
		STREET 1:		PO BOX 358
		STREET 2:		HWY 275
		CITY:			VALLEY
		STATE:			NE
		ZIP:			68064
		BUSINESS PHONE:		4023592201

	MAIL ADDRESS:	
		STREET 1:		P O BOX 358 - HIGHWAY 275
		CITY:			VALLEY
		STATE:			NE
		ZIP:			68064-0358

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	VALLEY MANUFACTURING CO
		DATE OF NAME CHANGE:	19680822

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Kehoe John A
		CENTRAL INDEX KEY:			0001641446

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31429
		FILM NUMBER:		15845094

	MAIL ADDRESS:	
		STREET 1:		VALMONT INDUSTRIES INC
		STREET 2:		ONE VALMONT PLAZA
		CITY:			OMAHA
		STATE:			NE
		ZIP:			68154
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2015-04-28</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000102729</issuerCik>
        <issuerName>VALMONT INDUSTRIES INC</issuerName>
        <issuerTradingSymbol>VMI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001641446</rptOwnerCik>
            <rptOwnerName>Kehoe John A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>VALMONT INDUSTRIES INC</rptOwnerStreet1>
            <rptOwnerStreet2>ONE VALMONT PLAZA</rptOwnerStreet2>
            <rptOwnerCity>OMAHA</rptOwnerCity>
            <rptOwnerState>NE</rptOwnerState>
            <rptOwnerZipCode>68154</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP Info Technology and CIO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>300</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>132.84</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2015-12-08</value>
            </exerciseDate>
            <expirationDate>
                <value>2021-12-08</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Non-Qualified Stock Option (right to buy)</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2972</value>
                    <footnoteId id="F2"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Restricted stock unit award which vests on the first anniversary of the grant date (06/06/2014) and on vesting settled in an equal number of shares of common stock.</footnote>
        <footnote id="F2">The option vests in three annual installments beginning on December 8, 2015.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ R. Andrew Massey for John A Kehoe</signatureName>
        <signatureDate>2015-05-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
