Chickamauga Lock

Barnhart crew members use a hydraulic power system to lift a prefabricated wall beam onto a barge for delivery to the Chickamauga Lock Replacement Project’s upstream approach wall contract near Watts Bar Dam Aug. 28, 2025. (USACE photo by Noe Gonzalez)

Massive wall beams moved to Chickamauga Lock

After more than a decade in storage, 120-foot-long concrete wall beams—each weighing more than 463 tons—are finally on the move. On Friday, August 29, the Nashville Engineer District began transporting the first

The Nashville Engineer District constructs a new navigation lock February 20, 2024. The dam is a Tennessee Valley Authority project. The Nashville District is managing the Chickamauga Lock Replacement Project. (Credit: Luciano Vera)

Nashville Engineer District reflects on 2024 achievements

The Nashville Engineer District recently announced total figures for district operations in 2024, as well as last year’s notable achievements across the district. These accomplishments reflect the Nashville Engineer District’s diverse operations,