<SEC-DOCUMENT>0001127602-20-031745.txt : 20201217
<SEC-HEADER>0001127602-20-031745.hdr.sgml : 20201217
<ACCEPTANCE-DATETIME>20201217143456
ACCESSION NUMBER:		0001127602-20-031745
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20201209
FILED AS OF DATE:		20201217
DATE AS OF CHANGE:		20201217

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CURTIS LISA
		CENTRAL INDEX KEY:			0001448615

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12911
		FILM NUMBER:		201395498

	MAIL ADDRESS:	
		STREET 1:		3200 SOUTHWEST FREEWAY
		STREET 2:		SUITE 2950
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77027

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GRANITE CONSTRUCTION INC
		CENTRAL INDEX KEY:			0000861459
		STANDARD INDUSTRIAL CLASSIFICATION:	HEAVY CONSTRUCTION OTHER THAN BUILDING CONST - CONTRACTORS [1600]
		IRS NUMBER:				770239383
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		585 WEST BEACH ST
		CITY:			WATSONVILLE
		STATE:			CA
		ZIP:			95076
		BUSINESS PHONE:		8317241011

	MAIL ADDRESS:	
		STREET 1:		585 WEST BEACH ST
		CITY:			WATSONVILLE
		STATE:			CA
		ZIP:			95076
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-12-09</periodOfReport>

    <issuer>
        <issuerCik>0000861459</issuerCik>
        <issuerName>GRANITE CONSTRUCTION INC</issuerName>
        <issuerTradingSymbol>GVA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001448615</rptOwnerCik>
            <rptOwnerName>CURTIS LISA</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>585 WEST BEACH STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WATSONVILLE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95076</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>CAO &amp; VP, Investor Relations</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-12-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>25</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>27.03</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8643</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Shares surrendered for taxes due to vesting on December 9, 2020 (initial grant date 12/9/19).</footnote>
        <footnote id="F2">Total adjusted to include dividend equivalents (DEUs: 27 - 10/15/20) credited to the Reporting Person under the dividend reinvestment feature of Granite Construction Incorporated's equity plans since the Reporting Person's last report.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Betty Kwong, attorney-in-fact for Elizabeth L. Curtis</signatureName>
        <signatureDate>2020-12-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
