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  • 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.

  • Congressman responsible for improving water resources infrastructure visits locks

    NASHVILLE, Tenn. (April 1, 2025) – Whether or not the Corps of Engineers constructs a brand-new navigation lock or operates and maintains one well into its designed lifespan, these critical infrastructure projects require significant appropriations and receive a great deal of Congressional interest and oversight.

  • USACE hosts prospective contractors for Chickamauga Lock home stretch

    The U.S. Army Corps of Engineers Nashville District hosted a pre-proposal site visit on March 4, providing potential contractors with a detailed look at the Chickamauga Lock Replacement Project prior to bidding on the final contract to complete the new lock.

  • 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.

  • USACE Chief of Engineers visits Chickamauga Lock Replacement Project

    Lt. Gen. William H. "Butch" Graham Jr., U.S. Army Corps of Engineers commanding general and 56th chief of engineers, visited the Chickamauga Lock Replacement Project Dec. 19 to meet with Nashville District leadership and staff, gain insight into the ongoing construction project, and observe operational processes firsthand.

  • 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.

  • Breaking barriers and building legacies: Cayce Grall’s role in the Chickamauga Lock Replacement

    The article highlights Cayce Grall’s journey from growing up near the Chickamauga Lock in Chattanooga to leading its replacement project as project manager-forward for the U.S. Army Corps of Engineers Nashville District. The new lock, replacing the aging 1939 structure, will modernize navigation and support the regional economy. As the first female quality assurance engineer on the project, Grall inspires others, especially young women, to pursue engineering careers. For Grall, this project is a personal legacy, combining her professional achievements with her deep ties to her hometown.

  • Civil engineer tackles lift station design, garners employee of the month

    NASHVILLE, Tenn. (Nov. 21, 2024) – Nate Brock, civil engineer in the Civil Site and Survey Section, and Geotechnics Branch, recently designed a wastewater lift station for the Chickamauga Lock Replacement Project, a task that resulted in recognition as the U.S. Army Corps of Engineers Nashville District Employee of the Month for September 2024.

  • Deputy Commanding General for Civil Works visits key Nashville District projects

    Maj. Gen. Jason Kelly, U.S. Army Corps of Engineers deputy commanding general for civil and emergency operations, visited the USACE Nashville District Nov. 13-15 to meet with leadership and employees, see district projects firsthand, and understand the challenges in the Cumberland and Tennessee River basins.

  • 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.