Consent of Independent Registered Public Accounting Firm


We consent to the incorporation by reference in the Registration Statement (Form
S-8)  pertaining to the L. B. Foster Company  Savings Plan for  Bargaining  Unit
Employees of our reports dated March 9, 2009,  with respect to the  consolidated
financial statements and schedule of L. B. Foster Company included in its Annual
Report (Form 10-K) for the year ended December 31, 2008 and the effectiveness of
internal  control over financial  reporting of L. B. Foster Company,  filed with
the Securities and Exchange Commission.


                                            /s/ Ernst & Young LLP

Pittsburgh, Pennsylvania
May 21, 2009



                                                           Exhibit 23.3