Lock and Dam No. 6 is a lock and dam located near Trempealeau Wisconsin on the Upper Mississippi River near river mile 714.1. It was constructed and placed in operation in June 1936. The last major rehabilitation was from 1989 to 1999. The dam consists of 893 feet (272.2 m) long concrete structure with five roller gates and 10 tainter gates. Its earth embankment is 2600 feet (792.5 m)long and the concrete overflow spillway is 1000 feet (304.8 m) long.
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point
length (km)
272.186
building start year
1933-01-01T00:00:00+02:00
location
Winona County Minnesota, Trempealeau Wisconsin, Richmond Township Winona County Minnesota, United States
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