September 26, 2024 William M. Thalman Executive Vice President and Chief Financial Officer L.B. Foster Company 415 Holiday Drive, Suite 100 Pittsburgh, PA 15220 Re: L.B. Foster Company Form 10-K for Fiscal Year Ended December 31, 2023 Form 10-Q for Fiscal Quarter Ended June 30, 2024 Response dated September 17, 2024 File No. 000-10436 Dear William M. Thalman: We have reviewed your September 17, 2024 response to our comment letter and have the following comment(s). Please respond to this letter within ten business days by providing the requested information or advise us as soon as possible when you will respond. If you do not believe a comment applies to your facts and circumstances, please tell us why in your response. After reviewing your response to this letter, we may have additional comments. Unless we note otherwise, any references to prior comments are to comments in our September 4, 2024 letter. Form 10-Q for Fiscal Quarter Ended June 30, 2024 Financial Statements Condensed Consolidated Statements of Operations, page 4 1. We read your response to prior comment 1. It appears the $3.477 million gain on sale of the Magnolia, TX property should have been included in your operating income for the three months ended March 31, 2024 and the six months ended June 30, 2024 pursuant to ASC 360-10-45-5. Please restate these financial statements accordingly. In addition, file an Item 4.02 Form 8-K. September 26, 2024 Page 2 Please contact Valeria Franks at 202-551-7705 or Rufus Decker at 202-551-3769, if you have any questions. Sincerely, Division of Corporation Finance Office of Trade & Services