Description: The U.S. Army Corps of Engineers, Portland District seeks a contractor to replace the existing Navigation Lock 1 bridge at Bonneville Lock and Dam on a new alignment. The new fixed bridge will be a single-span steel girder bridge with a concrete deck. Work also includes partial demolition of the existing bridge and construction of approach roadways connecting to the existing roadway alignment.
Federal · OR, US
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FederalOR
Posted
Jul 6, 2026
Oct 29, 2026
Lock and dam - navigation lock 1 bridge replacement. The project consists of replacing the existing bridge with a new fixed bridge on a new alignment and to provide for partial demolition of the existing bridge.
U.S. Army Engineer District ST Louis
FederalMO
Posted
Jul 14, 2026
Nov 16, 2026
The U.S. Army Corps of Engineers, St. Louis District, is soliciting construction of a new 1,200-foot drilled shaft-founded lock, a 1,200-foot upstream ported guard wall, and a 650-foot downstream guard wall at Lock and Dam 25. The existing 600-foot lock will remain in place as an auxiliary chamber, primarily for recreation traffic or when the new lock is out of service. Plans and the Navisworks model must be requested from the contract specialist for delivery via DoD SAFE, and offers are due November 16, 2026.
FederalVA
Posted
Mar 31, 2026
Nov 16, 2026
Constructing a new 1,200 ft Lock for Lock and Dam 25. The new lock at Lock 25 will be constructed in the downstream direction in the auxiliary miter gate bay, which has minimum provisions for an adjacent 360-foot-long lock and is referred to as Location 3 in the System Feasibility Study (September 2004). This contract will consist of construction of a new 1,200-foot drilled shaft-founded lock in the auxiliary miter gate bay, a 1,200-foot upstream ported guard wall, and a 650-foot downstream guard wall. The existing 600-foot lock will remain in place and once the new lock is constructed and operational, will become an auxiliary lock chamber used primarily by recreation traffic or when the 1,200 ft lock is out of service.
Public Services and Procurement Canada
State AgencyQC
Posted
-
Oct 22, 2026
Public Services and Procurement Canada seeks design and construction services to replace Nassau Mills Dam at Lock 22 in the Trent–Severn Waterway National Historic Site. A mandatory site visit is scheduled for October 15, 2026, at 10:00 a.m. EDT at 3779 Nassau Mills Road, Peterborough. Bidders must submit their bids and supporting documentation by October 22, 2026, at 14:00 EDT.
Decision makers connected to this RFP from U.S. Army Engineer District Portland.
