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  • Chickamauga Lock approach wall receives second nose pier delivery

    Progress continues on the Chickamauga Lock Replacement Project as the U.S. Army Corps of Engineers Nashville District successfully delivered a second massive nose pier, a key structure that guides vessels into the new lock chamber. The milestone keeps the project on track for contract completion in 2026 and full operation by 2028, with the new lock expected to boost capacity by 80% and improve commercial navigation efficiency on the Tennessee River.

  • 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.

  • 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.

  • Chickamauga’s upstream approach wall piers get solid start

    CHATTANOOGA, Tenn. (Sept. 27, 2023) – The Upstream Approach Walls for the Chickamauga Lock Replacement Project got a solid start when work crews placed 148 cubic yards of tremie concrete Sept. 20 into the drilled shaft on the bottom of the Tennessee River.

  • Wilkinson lauded as safety champion at Chickamauga Lock Replacement Project

    CHATTANOOGA, Tenn. (June 2, 2023) – Michael Wilkinson is a safety specialist and quiet professional focused on teaching and ensuring the contractor makes things safe for about 500 construction workers at the Chickamauga Lock Replacement Project.

  • Chickamauga Lock Replacement Project reaches monolithic milestone

    CHATTANOOGA, Tenn. (May 23, 2023) – Construction of a new navigation lock on the Tennessee River reached a monolithic milestone yesterday as crews and officials held a topping-off ceremony to mark the completion of the first concrete monolith.

  • Roundtables serve stakeholders mega project update

    NASHVILLE, Tenn. (March 24, 2023) – Nashville District leaders, engineers and project managers hosted stakeholder roundtables this week to provide updates and an opportunity to visit the district’s two mega construction projects.

  • Nashville District names Tabor Employee of the Month for April 2022

    Justin Tabor, senior cost engineer assigned to the Technical Services Section, is named U.S. Army Corps of Engineers Nashville District Employee of the Month for April 2022. He is recognized primarily for his efforts as a senior cost engineer supporting the Kentucky Lock Total Project Cost Update.

  • Chief of engineers visits Chickamauga Lock Replacement Project

    CHATTANOOGA, Tenn. (Feb. 3, 2021) – The 55th chief of engineers visited the Chickamauga Lock Replacement Project on the Tennessee River today to meet with project managers and engineers and gain a better understanding of ongoing construction of a new lock chamber.

  • Monolithic effort to construct lock chamber heats up

    CHATTANOOGA, Tenn. (July 23, 2020) – A monolithic effort to construct a navigation chamber at the Chickamauga Lock Replacement Project is heating up where the U.S. Army Corps of Engineers Nashville District has already placed 19,000 cubic yards of concrete and more than 700 tons of reinforcing steel.