Exhibit 23
                         CONSENT OF INDEPENDENT AUDITORS



We consent to the incorporation by reference in the Registration Statement (Form
S-8)  pertaining to the L.B.  Foster Company 2006 Omnibus  Incentive Plan of our
report  dated  March  3,  2006,  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,  2005,  L. B.  Foster  Company
management's  assessment of the effectiveness of internal control over financial
reporting, 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
                                                          ---------------------
                                                              Ernst & Young LLP



Pittsburgh, Pennsylvania
June 8, 2006