Lock and Dam #5A

River Travel Media/La Crosse Local

Lock and Dam #5A

W679 State Hwy 35
Fountain City, WI 54629

(507) 452-2789


 Lock and Dam No. 5A is a lock and dam located near Fountain City, Wisconsin on the Upper Mississippi River. It was constructed in 1932 and placed in operation in 1936. Its last major rehabilitation was from 1989 through 2000. The dam consists of a concrete structure 682 feet long with five roller gates and five tainter gates with an earth embankment 22,000 feet long. Its concrete overflow spillway is 1,000 feet  long and its lock is 110 feet wide by 600 feet long.