How to bid on the Lock and Dam 25 New 1,200 FT Lock for the U.S. Army Corps of Engineers

What the agency is buying

The U.S. Army Corps of Engineers is seeking a contractor to build a new 1,200-foot lock at Lock and Dam 25 in Missouri. This project includes constructing drilled-shaft foundations, a 1,200-foot upstream guard wall, and a 650-foot downstream guard wall.

The existing 600-foot lock will remain in place and will primarily serve recreational traffic or act as a backup once the new lock is operational. This is a significant construction opportunity for firms specializing in large-scale civil engineering and marine infrastructure.

Key dates and deadlines

This Request for Proposals (RFP) was published on September 02, 2026. All proposals must be submitted by November 16, 2026, at 11:00 AM ET. It is crucial to submit your proposal before this deadline, as late submissions are typically not accepted.

Who this opportunity suits

This opportunity is ideal for construction firms with experience in large-scale infrastructure projects, particularly those involving locks, dams, and marine construction. Companies with expertise in drilled-shaft foundations and guard wall construction will find this solicitation directly relevant to their capabilities. This falls under the general category of construction.

How to respond

To access the solicitation details, click the “View original source” link. If the first click takes you to the portal’s homepage, click the link again to go directly to the bid. You may need a free account on the portal to view all documents, though this is not always required.

Crucially, the detailed plans (Volume 1-7) and the Navisworks Federated Model (Attachment 0005) must be requested via email from the Contract Specialist, Whitney Dee, at [email protected]. These large files will be sent to you via DoD SAFE. Amendment 0001 provides updates based on ProjNet Bidder Inquiries and Government Responses through August 31, 2026.

Practical tips for a competitive response

Given the complexity of this project, thoroughly review all provided plans and the Navisworks model once you receive them. Pay close attention to the scope of work for the drilled-shaft foundations and guard wall construction. Ensure your proposal clearly demonstrates your firm's experience with similar large-scale civil engineering and marine projects.

Address all requirements outlined in the solicitation, including any specific technical specifications or performance standards. Since Amendment 0001 includes updates, ensure your proposal incorporates the latest information. If there are any further amendments, review them carefully to ensure your response remains current and compliant.