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.

Lock and Dam No. 5A
Lock and Dam 5A, Upper Mississippi River. View is upriver to the northwest.
Location of Lock and Dam No. 5A in Wisconsin
LocationBuffalo County, Wisconsin / Winona County, Minnesota, United States. Near Fountain City, Wisconsin.
Coordinates44.085119°N 91.673698°W / 44.085119; -91.673698
Construction began1932 (1932)
Opening dateJune 1936 (1936)
Operator(s) U.S. Army Corps of Engineers, St. Paul District
Dam and spillways
ImpoundsUpper Mississippi River
Length682 feet (207.9 m)(movable portion)
Reservoir
CreatesPool 5A
Total capacity39,600 acre⋅ft (0.0488 km3)
Catchment area59,105 sq mi (153,080 km2)

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 feet (207.9 m) long with five roller gates and five tainter gates with an earth embankment 22,000 feet (6,705.6 m) long. Its concrete overflow spillway is 1,000 feet (304.8 m) long and its lock is 110 feet (33.5 m) wide by 600 feet (182.9 m) 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.

Lock and Dam No. 5A
gollark: Yes.
gollark: Multiple tables of functions, actually.
gollark: Will it have monoids in the category of endofunctors?
gollark: That's not even very mad.
gollark: I prefer superexponential.

See also

References

    List of locks and dams of the Upper Mississippi River
    Upstream:
    Lock and Dam No. 5
    Downstream:
    Lock and Dam No. 6
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