The US Army Corps of Engineers, Walla Walla District, is seeking sources for a construction project to replace the McNary Downstream Miter Gate, with performance at specified locations. The estimated budget is between $25,000,000 and $100,000,000, and the contract will be firm-fixed-price. The tentative schedule includes a contract award in April 2028, fabrication completion by December 2029, and a 16-week site work window from January to April 2030. This is a sources-sought notice for market research, not a solicitation, and responses are due by 3:00 pm on May 12, 2026. Interested bidders must demonstrate capability with similar projects, bonding capacity, and business size status.