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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 EMKVtGEmjT73r9H2WTaR6Cujd4l5N7RZgCxK0qaAwQ4dAO7QgHlmdkv9CfIMLVSO
 e98rxwwG5HYZj6k9e8vN+Q==

<SEC-DOCUMENT>0000902664-07-002940.txt : 20071004
<SEC-HEADER>0000902664-07-002940.hdr.sgml : 20071004
<ACCEPTANCE-DATETIME>20071004165141
ACCESSION NUMBER:		0000902664-07-002940
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20071002
FILED AS OF DATE:		20071004
DATE AS OF CHANGE:		20071004

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FOSTER L B CO
		CENTRAL INDEX KEY:			0000352825
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-METALS SERVICE CENTERS & OFFICES [5051]
		IRS NUMBER:				251324733
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		415 HOLIDAY DR
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15220
		BUSINESS PHONE:		4129283431

	MAIL ADDRESS:	
		STREET 1:		415 HOLIDAY DR
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15220

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GENDELL JEFFREY L ET AL
		CENTRAL INDEX KEY:			0000948904

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-10436
		FILM NUMBER:		071157221

	BUSINESS ADDRESS:	
		STREET 1:		31 WEST 52ND ST
		STREET 2:		17TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

	MAIL ADDRESS:	
		STREET 2:		200 PARK AVENUE SUITE 3900
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4_ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2007-10-02</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000352825</issuerCik>
        <issuerName>FOSTER L B CO</issuerName>
        <issuerTradingSymbol>FSTR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000948904</rptOwnerCik>
            <rptOwnerName>GENDELL JEFFREY L ET AL</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1></rptOwnerStreet1>
            <rptOwnerStreet2>55 RAILROAD AVENUE</rptOwnerStreet2>
            <rptOwnerCity>GREENWICH</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06830</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2007-10-02</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>81000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>45.97</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                    <footnoteId id="F3"/>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1143248</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnotes</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2007-10-03</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>11600</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>45.97</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                    <footnoteId id="F4"/>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1131648</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnotes</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The Reporting Person is the managing member of Tontine Management, L.L.C. (&quot;TM&quot;), a Delaware limited liability company, the
 general partner of Tontine Partners, L.P. (&quot;TP&quot;), a Delaware limited partnership.  The Reporting Person is also the managing
 member of Tontine Capital Management, L.L.C. (&quot;TCM&quot;), a Delaware limited liability company, the general partner of Tontine
 Capital Partners, L.P. (&quot;TCP&quot;), a Delaware limited partnership.  The Reporting Person is also the managing member of Tontine
 Overseas Associates, L.L.C., a Delaware limited liability company (&quot;TOA&quot;), the investment adviser to Tontine Overseas Fund,
 Ltd., a Cayman Islands corporation (&quot;TOF&quot;) and certain managed accounts.</footnote>
        <footnote id="F2">The Reporting Person directly owns 0 shares of the Common Stock.  TM and TOA directly own 0 shares of Common Stock.  TP
 directly owns 616,572 shares of Common Stock.  TCP directly owns 87,100 shares of Common Stock.  TCM owns 112,520 shares of
 Common Stock.  TOF owns 315,456  shares of Common Stock.  All of the foregoing shares of Common Stock may be deemed to be
 beneficially owned by the Reporting Person.  The Reporting Person disclaims beneficial ownership of the Issuer's securities
 reported herein for purposes of Section 16(a) under the Securities Exchange Act of 1934, as amended, or otherwise, except as
 to securities directly owned by the Reporting Person or representing the Reporting Person's pro rata interest in, and
 interest in the profits of, TM, TCM, TOA, TP, TOF  and the separately managed accounts.</footnote>
        <footnote id="F3">Common Stock sold by TOF.</footnote>
        <footnote id="F4">Common Stock sold by TP, TOF and TCP.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Jeffrey L. Gendell</signatureName>
        <signatureDate>2007-10-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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