As work on the Lower Monongahela River project continues, the Pittsburgh Engineer District opened a 100-foot-wide navigation channel for commercial vessels through the center of the dam at Monongahela River Locks and Dam 3 near Elizabeth, Pennsylvania, Thursday, Sept. 5.
The first commercial navigation vessel passed through the channel that morning.
The channel has a 56-foot width restriction and a 9-foot draft restriction. Commercial traffic can still use the lock chamber with the 7-foot draft...