Bid guide
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 is seeking a contractor to replace the Navigation Lock 1 bridge at Bonneville Lock and Dam. This project involves building a new fixed, single-span steel girder bridge with approach roads. The work also includes partial demolition of the existing bridge.
Key aspects of this project include maintaining vehicle access throughout construction, which may require phased work. The contractor will also be responsible for lead and asbestos removal, adhering to environmental and seasonal restrictions, and performing barge crane work near a high-voltage power line. This is a significant construction opportunity for firms experienced in complex bridge projects.
Key dates and deadlines
The solicitation period has been extended. The new deadline for submitting proposals is October 8, 2026, at 3:00 PM ET. All proposals must be received by this time.
An additional site visit is available. To register for the site visit, you must send an email to Michael R. Carl and Courtney R. Hollins by close of business on September 9, 2026. Your email must include your first name, last name, and company or organization name.
Who this opportunity suits
This opportunity is suitable for construction firms with experience in bridge replacement, demolition, and projects involving environmental and safety considerations like lead and asbestos removal. Experience with phased construction to maintain access and working near high-voltage power lines is also relevant.
The project's location in Cascade Locks, Oregon, suggests a need for contractors familiar with the region or capable of mobilizing resources to this area. Firms specializing in heavy civil construction and bridge infrastructure will find this particularly relevant.
How to respond
To access the full solicitation documents, you will need to click the “View original source” link. If the first click takes you to the portal’s homepage, click it 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.
For the site visit, remember to register by close of business on September 9, 2026, by emailing Michael R. Carl and Courtney R. Hollins. Attendees must be U.S. citizens and possess a REAL ID or other approved identification for site access. Acceptable forms of proof of citizenship for those born outside the USA include a certified US Birth Certificate, an undamaged US Passport or Passport Card, a US Certificate of Citizenship, a Consular Report of Birth Abroad, a US Naturalization Certificate, or an Enhanced Driver’s License from specific states. Acceptable IDs include a Real ID driver’s license, Enhanced driver’s license, Federal Identification Cards, TWIC, or a US Passport or Passport Card.
Tips for preparing a competitive response
Carefully review all amendments to the solicitation, especially Amendment W9127N26BA0240002, which details changes to the Standard Form 1442, Solicitation Specifications, and Instructions to Bidders. Also, note the additional Government Furnished Information (GFI) provided in Amendment W9127N26BA0240001, specifically the “Power Line Layout.” While this information is for your reference, remember to field verify it, as the solicitation plan set takes precedence in case of discrepancies.
Given the requirement to maintain vehicular access during construction, clearly outline your proposed phasing plan in your response. Detail how you will manage lead and asbestos removal, adhere to environmental and seasonal restrictions, and safely conduct barge crane operations near the high-voltage power line. Emphasize your firm's experience with similar complex projects and your ability to meet all safety and access requirements.
See the live bid — deadline, agency details, and how to respond
Dates and requirements can change via addenda; always verify on the bid page and at the original source before responding.
View this bid on BiddingSimpleThis guide was prepared by BiddingSimple from the solicitation’s public posting. It is not official guidance from DEPT of the Army; the original posting controls.