18 Apr 2025

Miter gate installation begins at Chickamauga Lock

CHATTANOOGA, Tenn. (April 18, 2025) – The U.S. Army Corps of Engineers Nashville District, in partnership with Shimmick Construction and Tennessee Valley Authority, recently began erecting massive miter gates for the Chickamauga Lock Replacement Project. This milestone brings the project closer to its goal of enabling both recreational vessels and commercial barges to pass through the new lock chamber, a critical step in modernizing regional infrastructure.

5 Feb 2025

USACE to host Site Visit for final contract of Chickamauga Lock Replacement Project

The U.S. Army Corps of Engineers Nashville District is hosting a Pre-Proposal Meeting and Site Visit on February 20, 2025, at 10:00 AM EST at Chickamauga Lock in Chattanooga, Tennessee, for the final construction contract of the Chickamauga Lock Replacement Project. This event will allow potential prime and subcontractors to tour the project site, understand the scope of work, and explore opportunities for small business participation in areas such as electrical work, welding, and material movement. The final contract includes completing the new lock, removing the cofferdam, decommissioning the existing lock, and restoring the surrounding site—significantly improving navigation efficiency on the Tennessee River.

9 Dec 2024

Chickamauga Lock replacement project reaches milestone with delivery of miter gates

The U.S. Army Corps of Engineers Nashville District, in partnership with Shimmick Construction and the Tennessee Valley Authority, is advancing the Chickamauga Lock replacement project with the delivery of 14 miter gate components from Dec. 5-23. These gates, designed to improve efficiency and reliability, mark a critical milestone in the construction of the new 110-foot by 600-foot navigation lock. Once completed, the new lock will significantly enhance capacity, accommodating up to nine jumbo barges at a time, boosting efficiency by 80% for commercial vessels on the Tennessee River.

20 Aug 2024

USACE provides Chickamauga Lock replacement update to Congressional and Senate delegation

CHATTANOOGA, Tenn. — The U.S. Army Corps of Engineers Nashville District hosted U.S. Representative Chuck Fleischmann (TN-3), Chairman of the House Energy and Water Development and Related Agencies Subcommittee; U.S. Senator Marsha Blackburn; and delegations from other senate and congressional staff at the Chickamauga Lock Replacement Project on Aug. 20, 2024, to receive an update on project delivery and the importance of the lock replacement to the region’s economy.

5 Apr 2024

Corps of Engineers soliciting bids for final Chickamauga Lock replacement contract

The U.S. Army Corps of Engineers Nashville District is soliciting bids from contractors for the Approach Wall and Decommissioning Contract as part of the Chickamauga Lock Replacement Project in Chattanooga Tennessee.