<SEC-DOCUMENT>0001185239-13-000002.txt : 20130208
<SEC-HEADER>0001185239-13-000002.hdr.sgml : 20130208
<ACCEPTANCE-DATETIME>20130208162522
ACCESSION NUMBER:		0001185239-13-000002
CONFORMED SUBMISSION TYPE:	5
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20121229
FILED AS OF DATE:		20130208
DATE AS OF CHANGE:		20130208

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:			McClain Terry
		CENTRAL INDEX KEY:			0001185239

	FILING VALUES:
		FORM TYPE:		5
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31429
		FILM NUMBER:		13587304

	MAIL ADDRESS:	
		STREET 1:		ONE VALMONT PLAZA
		CITY:			OMAHA
		STATE:			NE
		ZIP:			68154

	FORMER NAME:	
		FORMER CONFORMED NAME:	MCCLAIN TERRY J
		DATE OF NAME CHANGE:	20020903
</SEC-HEADER>
<DOCUMENT>
<TYPE>5
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>5</documentType>

    <periodOfReport>2012-12-29</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <form3HoldingsReported>0</form3HoldingsReported>

    <form4TransactionsReported>0</form4TransactionsReported>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001185239</rptOwnerCik>
            <rptOwnerName>McClain Terry</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE VALMONT PLAZA</rptOwnerStreet1>
            <rptOwnerStreet2></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>SR. VP &amp; CFO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2012-11-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>5</transactionFormType>
                <transactionCode>G</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>40452</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionCoding>
                <transactionFormType></transactionFormType>
            </transactionCoding>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>226</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>by Spouse</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>/s/ Terry J. McClain</signatureName>
        <signatureDate>2013-02-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
