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Contractors working for the U.S. Army Corps of Engineers Pittsburgh District install a 23-foot-tall concrete shaft enclosure weighing approximately 120,000 pounds as part of the guard wall at the Monongahela River Locks and Dam 4 in Charleroi, Pennsylvania, Nov. 16, 2023.

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  • September

    C.J. Mahan work crews place 148 cubic yards of tremie concrete Sept. 20, 2023, from a pump truck into a tremie pipe for placement into the shaft on the bottom of the Tennessee River for the first of 14 shafts for the upstream approach wall piers. The U.S. Army Corps of Engineers Nashville District Upstream Approach Wall construction is an integral part of the Chickamauga Lock Replacement Project in Chattanooga, Tennessee. (USACE Photo by Matthew Curvin)

    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.

  • May

    Shimmick Crane Operator Patrick Harrison lifted the last concrete form from monolith L13 to mark the official completion of the first of 36 monoliths. The U.S. Army Corps of Engineers Nashville District and its contractor, Shimmick, held a topping-off ceremony May 22, 2023, at the Chickamauga Lock Replacement Project on the Tennessee River in Chattanooga, Tennessee. (USACE Photo by Lee Roberts)

    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.

  • March

    Lock Operator Kenneth Hammock monitors a recreational sailboat as it moves barges into Chickamauga Lock March 2, 2023. He works to safeguard navigators at the active lock on the Tennessee River, which is very close to a U.S. Army Corps of Engineers Nashville District construction project to build a new 600-foot-long by 110-foot-wide lock. (USACE Photo by Lee Roberts)

    Lock operators work super safely near mega construction projects

    NASHVILLE, Tenn. (March 8, 2023) – Operators at navigation locks could easily wear capes for the super work they do to ensure the safety of the public, not to mention employees that maintain these projects in the Cumberland and Tennessee River systems. At Kentucky Lock in Grand Rivers, Kentucky, and Chickamauga Lock in Chattanooga, Tennessee, ongoing mega construction projects to build larger new locks pose additional hazards for these vigilant protectors of people and resources.

  • October

    Recreation Vessel “Betsye” out of Fort Lauderdale, Florida, navigates downstream Sept. 29, 2022, on the Tennessee River into Fort Loudoun Lock in Lenoir City, Tennessee, as members of the Fort Loudoun Yacht Club begin a tour to learn about navigation. (USACE Photo by Lee Roberts)

    Groups navigate Fort Loudoun Lock to learn locking process

    LENOIR CITY, Tenn. (Oct. 3, 2022) – Several local groups recently navigated Fort Loudoun Lock to see the lock chamber and learn about the locking process.

  • August

    Elizabeth R. Boeglin, civil engineer in the Engineering and Construction Division, is the U.S. Army Corps of Engineers Nashville District Employee of the Month for June 2022. She is being lauded for plan development and design work in support of the Wolf Creek Dam Dissolved Oxygen Project. She is seen here working on plans and specifications Aug. 23, 2022, at the Nashville District Headquarters in Nashville, Tennessee. (USACE Photo by Lee Roberts)

    Civil engineer lauded for plan development on dissolved oxygen project

    NASHVILLE, Tenn. (Aug. 23, 2022) – Elizabeth R. Boeglin, civil engineer in the Engineering and Construction Division, is the Nashville District Employee of the Month for June 2022 for plan development and design work in support of the Wolf Creek Dissolved Oxygen Improvement Project.

  • July

    Andrew J. Brimm, senior operator at Cordell Hull Dam Powerplant, is the U.S. Army Corps of Engineers Nashville District Employee of the Month for May 2022. He is being lauded for actions taken to avert a power outage in several rural communities while operating Dale Hollow Dam Powerplant remotely April 25, 2022. (USACE Photo)

    Actions to avert power outage generates recognition for senior operator

    NASHVILLE, Tenn. (July 29, 2022) – The senior operator at Cordell Hull Dam Powerplant is the Nashville District Employee of the Month for May 2022 for actions taken to avert power outages in several rural communities in Kentucky and Tennessee.

  • April

    LRD Civil Engineer Jeff Ross, Chief, Light Fleet Jeff Neely, and Wilson Lock Lockmaster Clay Askew evaluate the floor of the main lock chamber of Wilson Lock on April 7, 2022.

    Wilson Lock dewatering provides opportunity for inspection in dry conditions

    FLORENCE, Ala. (April 11, 2022) – Work crews recently drained more than 15 million gallons of water from Wilson Lock to provide maintenance personnel dry conditions to repair and rehabilitate the navigation lock to keep vessels moving up and down the Tennessee River.

  • February

    The U.S. Army Corps of Engineers Nashville District places concrete for the first monolith on the Chickamauga Lock Replacement Project Oct. 17, 2019 on the Tennessee River in Chattanooga, Tennessee. At the Chickamauga Lock Replacement Project, aa Tennessee Valley Authority project, the Nashville District is currently executing the lock chamber contract for the new 110-foot by 600-foot navigation lock, which includes 285,000 cubic yards of reinforced concrete. A conveyer system is placing concrete inside the coffer dam from the batch plant, a distance of about 900 feet in about a minute and a half. (USACE Photo by Lee Roberts)

    Commentary: Engineers building strong legacy as pioneers of progress

    NASHVILLE, Tenn. (Feb. 26, 2020) – We just celebrated National Engineers Week and recognized Nashville District’s engineers as the region’s problem solvers, committed to serving a higher purpose, and building on a strong legacy as pioneers of progress.

  • December

    Patty Coffey, deputy chief of the U.S. Army Corps of Engineers Nashville District Operations Division, holds a photo in her office Dec. 8, 2014 of her hydrating a young American Bald Eagle at Dale Hollow Lake July 27, 1989 as part of the Eagle Restoration Project. Coffey, a wildlife biologist, served as the project manager for the program that transported 18 eaglets in July 1989 from Wisconsin and Alaska to Tennessee to reestablish the American Bald Eagle to the upper Cumberland region. Twelve eaglets were bound for the Tennessee Wildlife Resources Agency to place at Chickamauga Lake, although one died during the trip, and six were resettled at Dale Hollow Lake. A total of 44 eaglets were resettled at Dale Hollow Lake between 1987 and 1991.

    Restoring American Bald Eagle to upper Cumberland region a tall tale

    NASHVILLE, Tenn. (Dec. 22, 2014) – Nurturing baby American Bald Eagles in a man-made crib atop a 23-foot tower seems like a tall tale, but that is exactly how biologists carried out a conservation plan in the late 1980s to restore the nation’s symbol to the upper Cumberland region.
Chick Lock

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