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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 DtZ3G/UuxvOWGbf1ZfBXcuQbntPNysjdZ4fG1O6CHN82B0nBba7kL3NO7uih69t2
 BpIsgj2T0g4WD+OZ+LUT6Q==

<SEC-DOCUMENT>0001181431-03-016021.txt : 20030730
<SEC-HEADER>0001181431-03-016021.hdr.sgml : 20030730
<ACCEPTANCE-DATETIME>20030730091854
ACCESSION NUMBER:		0001181431-03-016021
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030602
FILED AS OF DATE:		20030730

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			US CONCRETE INC
		CENTRAL INDEX KEY:			0001073429
		STANDARD INDUSTRIAL CLASSIFICATION:	CONCRETE PRODUCTS, EXCEPT BLOCK & BRICK [3272]
		IRS NUMBER:				760586680
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2925 BRIARPARK
		STREET 2:		SUITE 500
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77042
		BUSINESS PHONE:		713-499-6200

	MAIL ADDRESS:	
		STREET 1:		2925 BRIARPARK
		STREET 2:		SUITE 500
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77042

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RMX INDUSTRIES INC
		DATE OF NAME CHANGE:	19981113

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WALKER ROBERT S
		CENTRAL INDEX KEY:			0001094736

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-26025
		FILM NUMBER:		03810074

	BUSINESS ADDRESS:	
		STREET 1:		1300 POST OAK BLVD., SUITE 1220
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77056
		BUSINESS PHONE:		7134996200
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>rrd14217.xml
<DESCRIPTION>MAY 2003 FORM 4 - AMENDMENT
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4/A</documentType><periodOfReport>2003-06-02</periodOfReport><dateOfOriginalSubmission>2003-06-03</dateOfOriginalSubmission><notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0001073429</issuerCik>
        <issuerName>US CONCRETE INC</issuerName>
        <issuerTradingSymbol>rmix</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001094736</rptOwnerCik>
            <rptOwnerName>WALKER ROBERT S</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2925 BRIARPARK, SUITE 500</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState></rptOwnerState>
            <rptOwnerZipCode>77042</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther></reportingOwnerRelationship></reportingOwner><derivativeTable><derivativeTransaction><securityTitle><value>Stock Options (right to buy)</value></securityTitle><conversionOrExercisePrice><value>4.08</value></conversionOrExercisePrice><transactionDate><value>2003-06-02</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>10000</value><footnoteId id="F1"/></transactionShares><transactionPricePerShare><value>0</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2003-12-02</value></exerciseDate><expirationDate><value>2008-06-02</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>common stock</value><
/underlyingSecurityTitle><underlyingSecurityShares><value>10000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>20000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeTransaction></derivativeTable><footnotes><footnote id="F1">In a filing made on June 3, 2003, these securities were erroneously reported as disposed of but were in fact acquired by Mr. Walker.</footnote></footnotes><ownerSignature><signatureName>Robert S. Walker</signatureName><signatureDate>2003-07-30</signatureDate></ownerSignature></ownershipDocument>



</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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