US Army Corps of Engineers
St. Paul District

Lock & Dam 5

  • Located on Mississippi River mile 738.1, 10 miles Northwest of Winona, Minn.
  • Constructed and placed in operation May 1935. Site underwent major rehabilitation from 1987 through 1998.
  • Dam consists of concrete structure 1,619 feet long with six roller gates and 28 tainter gates. Earth embankment 18,000 feet long.
  • Lock is 110 feet wide by 600 feet long.
  • Brochure

Recreation Opportunities

Site has public observation platform and restrooms open from dawn until dusk each day from April to November.
Lock and Dam 5
Lock & Dam 5, Minnesota City, Minn.

Content Information

U.S. Army Corps of Engineers
St. Paul District
Lock and Dam No. 5

Route 1 Box 396
Minnesota City, MN 55959-9756

(507) 689-2101