<SEC-DOCUMENT>0000352825-18-000009-index.html : 20180404
<SEC-HEADER>0000352825-18-000009.hdr.sgml : 20180404
<ACCEPTANCE-DATETIME>20180404114124
ACCESSION NUMBER:		0000352825-18-000009
CONFORMED SUBMISSION TYPE:	10-K/A
PUBLIC DOCUMENT COUNT:		5
CONFORMED PERIOD OF REPORT:	20171231
FILED AS OF DATE:		20180404
DATE AS OF CHANGE:		20180404

FILER:

	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

	FILING VALUES:
		FORM TYPE:		10-K/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-10436
		FILM NUMBER:		18736295

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>10-K/A
<SEQUENCE>1
<FILENAME>lbfosterco10-ka2017.htm
<DESCRIPTION>10-K/A
<TEXT>
Document 1 - file: lbfosterco10-ka2017.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.1
<SEQUENCE>2
<FILENAME>ex-311201710xka.htm
<DESCRIPTION>EXHIBIT 31.1
<TEXT>
Document 2 - file: ex-311201710xka.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.2
<SEQUENCE>3
<FILENAME>ex-312201710xka.htm
<DESCRIPTION>EXHIBIT 31.2
<TEXT>
Document 3 - file: ex-312201710xka.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-32.0
<SEQUENCE>4
<FILENAME>ex-320201710xka.htm
<DESCRIPTION>EXHIBIT 32.0
<TEXT>
Document 4 - file: ex-320201710xka.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>chart-5a2afc04bc7a5778b18.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: chart-5a2afc04bc7a5778b18.jpg

</DOCUMENT>
</SEC-DOCUMENT>