Big river. Big concrete. Bigger payoff. The Pittsburgh and Nashville districts continue working hard to deliver the Kentucky Lock Addition Project near Paducah, Kentucky. As seen in the video, construction on the 52 lock wall monoliths is progressing to support the larger engineering mission of optimizing one of the Tennessee River’s busiest navigation facilities. Right now, tows can wait 10 or more hours to lock through – but once the lock is put into operation, most tows will clear in a single