Lock and Dam 5A dewatering
Dam 5A on the Mississippi River. To the far right is a temporary ramp that was constructed to load barges to transport large or heavy material across the Mississippi River to the lock chamber for the Lock and Dam 5A Winter Maintenance. Lock 5A was closed to navigation on Dec. 1, 2014, in order to complete the necessary work by March 9, 2015.

Contact Public Affairs

U.S. Army Corps of Engineers
St. Paul District
Public Affairs Office
332 Minnesota St., Suite E1500
St. Paul, MN 55101

Phone: (651) 290-5807
Fax: (651) 290-5752