Bonneville Lock and Dam - Navigation Lock 1 Bridge Replacement

The U.S. Army Corps of Engineers Portland District is preparing to solicit bids for the replacement of Navigation Lock 1 Bridge at Bonneville Lock and Dam in Cascade Locks, Oregon, with a new fixed steel girder bridge on a downstream alignment. The project involves constructing a 34-foot-4.5-inch-wide single-span bridge with two 11-foot travel lanes, two 2-foot shoulders, a 5-foot sidewalk, and four built-up steel plate girders supporting a concrete deck. The bridge will replace the existing structure while maintaining vehicular access throughout construction, requiring phased work. The north abutment will be a concrete stub with a rock-anchored footing, and the south abutment will rest on drilled shafts. The new bridge will offer increased vertical clearance over the navigation channel, and partial demolition of the existing bridge is required, including removal of materials containing lead and asbestos. Construction must comply with environmental and seasonal restrictions, involve barge crane operations near high-voltage power lines, and incorporate seismic mitigation measures. The estimated cost ranges between $10 million and $25 million. The acquisition will be conducted as a Total Small Business Set-Aside under NAICS code 237310 for Highway, Street, and Bridge Construction, with award going to the lowest-priced, responsible, and responsive offeror via an Invitation for Bid. All bidders must be registered in the System for Award Management prior to submission and award, and the contract will require CMMC Level 2 certification for any systems handling federal contract or controlled unclassified information. The presolicitation was issued in July 2026, with proposals due in August 2026, and full solicitation documents will be available on beta.SAM.gov. No bids will be accepted in response to this presolicitation, and the government reserves the right to cancel the solicitation at any time without reimbursement for preparatory costs.