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
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)
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 of 12 upstream approach wall beams by barge from Watts Bar Dam to the Chickamauga Lock Replacement Project site. The seven-hour trip marked a major milestone in the effort to deliver a safe and reliable lock for the Tennessee River Valley.
“These beams are a critical component of the upstream
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