USACE

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

A barge transporting piping passes through the Old Hickory Lock on Thursday, Aug. 22, 2025. The lock, located on the Cumberland River, supports commercial navigation in the region

Old Hickory Lock closure scheduled for this week

The Nashville Engineer District recently announced that Old Hickory Lock at Cumberland River Mile 216.2, approximately 11.5 miles northeast of Nashville, will be closed to all navigation traffic, including recreational vessels, from

Col. John L. Morrow, assumed command of the Corps' Memphis Engineer District, from outgoing commander, Col. Brian D. Sawser, during a change of command ceremony at the Crosstown Concourse Theater in Memphis, Tenn., July 11. 

Morrow takes command of Memphis Engineer District

With Mississippi Valley Division Commander and Mississippi River Commission President Maj. Gen. Kimberly A. Peeples presiding, incoming commander, Col. John L. Morrow, assumed command of the Corps’ Memphis Engineer District, from outgoing commander, Col.