Out with the old gates and in with the new at Mississippi River Lock and Dam 6
U.S. Army Corps of Engineers, St. Paul District
Video by Patrick Moes
Aug. 26, 2025 | 1:41
A team from the U.S. Army Corps of Engineers, St. Paul and Rock Island districts replace a 90-year-old miter gate at Lock and Dam 6, on the Mississippi River, near Trempealeau, Wisconsin Aug. 26.
The St. Paul District is replacing the gates to ensure the Mississippi River navigation channel continues to provide safe, reliable shipping of commodities. More