How to bid on Bonneville Lock and Dam Navigation Lock 1 Bridge Replacement for DEPT of Defense

What the agency is buying

The Department of Defense needs a contractor to replace the Navigation Lock 1 bridge at Bonneville Lock and Dam. This project involves building a new single-span steel girder bridge with a concrete deck, new abutments, and approach roads. The work also includes partially demolishing the existing bridge and removing lead and asbestos.

A key challenge is maintaining critical vehicle access throughout the construction, which will likely require phased work. The project also involves barge crane operations near a high-voltage power line and adherence to environmental and seasonal restrictions.

Key dates and deadlines

The solicitation was published on August 28, 2026. All responses must be submitted by September 18, 2026, at 6:00 PM ET. Missing this deadline means your bid will not be considered.

Who this opportunity suits

This opportunity is suitable for construction firms with experience in bridge replacement, demolition, and projects involving lead and asbestos abatement. Experience with phased construction to maintain access, working near high-voltage power lines, and barge crane operations would be beneficial. This is a construction category bid.

How to respond

To access the full solicitation, 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 to create a free account on the portal to view all the documents, though this is not always required for every bid.

Tips for a competitive response

Carefully review all provided documents, including the amendment and the “Power Line Layout” attachment. Remember that the solicitation plan set takes precedence over the GFI if there are discrepancies, and field verification of information is required.

Clearly outline your plan for phased construction to ensure critical vehicle access remains open throughout the project. Detail your approach to lead and asbestos removal, and how you will manage barge crane work safely near the high-voltage power line. Highlight your firm's experience with similar complex projects, especially those with environmental or logistical constraints.