Thompson Builders Corp., Novato, California, was awarded a $9,298,935 firm-fixed-price contract for topside repairs to the existing T1 Railroad Bridge and the replacement of multiple existing rail curves on the tidal side of Concord Naval Weapons Station, California. Bids were solicited via the internet with three received. Work will be performed in Concord, California, with an estimated completion date of Dec. 26, 2022. Fiscal 2020 and 2021 military construction, Army funds in the amount of $9,298,935 were obligated at the time of the award. U.S. Army Corps of Engineers, Sacramento, California, is the contracting activity (W91238-21-C-0037).