Lock and Dam No. 5A

Lock and Dam No. 5A is a lock and dam located near Fountain City, Wisconsin and Goodview, Minnesota on the Upper Mississippi River around river mile 728.5.

Construction
It was constructed in 1932, placed in operation in 1936. Its last major rehabilitation was from 1989 through 2000.

Description
The dam consists of a concrete structure 682 ft long with five roller gates and five tainter gates with an earth embankment 22000 ft long. Its concrete overflow spillway is 1000 ft long and its lock is 110 ft wide by 600 ft long.

Ownership
The lock and dam are owned and operated by the St. Paul District of the United States Army Corps of Engineers-Mississippi Valley Division.