LOCK AND DAM 25 NEW 1,200 FT LOCK NAVIGATION AND ECOSYSTEM SUSTAINABILITY PROGRAM (NESP)

The U.S. Army Corps of Engineers, St. Louis District, is preparing to solicit bids for the construction of a new 1,200-foot lock at Lock and Dam 25 as part of the Navigation and Ecosystem Sustainability Program. The lock is situated approximately 61.5 river miles upstream from St. Louis and 241.5 miles above the mouth of the Ohio River, serving as a critical component of inland waterway infrastructure. The solicitation, identified as W912P926RA004, was posted on July 14, 2026, with a response deadline set for the same day at 2:15 p.m. Eastern Time. The project falls under NAICS code 237990 for other heavy and civil engineering construction and is managed by the Department of Defense through the St. Louis office. Performance will take place at the Lock and Dam 25 site with a zip code of 63389. Primary point of contact is Whitney Dee, reachable by phone or email, with Angie Grimes listed as secondary contact for additional inquiries. This pre-solicitation notice is intended to provide industry with early visibility into the upcoming procurement, allowing potential contractors to prepare and align their capabilities. Though no set-aside type is indicated, the project is part of a broader federal initiative to maintain and modernize navigation systems while supporting ecosystem sustainability. All detailed requirements are available in the attached solicitation document, and interested parties are directed to the SAM.gov link for comprehensive information prior to submission. The project represents a significant infrastructure investment in the Mississippi River system, with implications for commercial navigation, regional economic activity, and environmental stewardship.