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Lock and Dam No. 25

Coordinates: 39°00′17″N 90°41′11″W / 39.00472°N 90.68639°W / 39.00472; -90.68639
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Mississippi River Lock and Dam No. 25
LocationRichwood Precinct, Calhoun County, Illinois / Burr Oak Township, Lincoln County, Missouri,
near Winfield, Missouri, USA
Coordinates39°00′17″N 90°41′11″W / 39.00472°N 90.68639°W / 39.00472; -90.68639
Construction began1935
Opening dateMay 18, 1939
Operator(s) U.S. Army Corps of Engineers, St. Louis District
Dam and spillways
ImpoundsUpper Mississippi River
Length1,296 feet (395.0 m)
Reservoir
CreatesPool 25
Total capacity176,000 acre⋅ft (0.217 km3)
Catchment area142,000 sq mi (370,000 km2)
Surface area18,000 acres (73 km2)
Lock and Dam No. 25 Historic District
Lock and Dam No. 25 is located in Missouri
Lock and Dam No. 25
Lock and Dam No. 25 is located in the United States
Lock and Dam No. 25
Location10 Sandy Slough Rd., Winfield, Missouri
Area316.4 acres (128.0 ha)
Built1939
ArchitectUS Army Corps of Engineers; Griffin, Almern Frederick
MPSUpper Mississippi River 9-Foot Navigation Project MPS
NRHP reference No.04000184[1]
Added to NRHPMarch 10, 2004

Lock and Dam No. 25 is a lock and dam located near Winfield, Missouri, on the Upper Mississippi River around river mile 241.4. The movable portion of the dam is 1,296 feet (395.0 m) long and consists of three roller gates and 14 tainter gates. A 2,566 feet (782.1 m) submersible dike extends to the Illinois shore. A 5 miles (8.0 km) long dike is part of the facility extending upstream on the Missouri side of the river. The main lock is 110 feet (33.5 m) wide by 600 feet (182.9 m) long.[2] In 2004, the facility was listed in the National Register of Historic Places as Lock and Dam No. 25 Historic District, #04000184 covering 3,164 acres (12.8 km2), 2 buildings, 7 structures, 2 objects.

Lock and Dam No. 25
https://web.archive.org/web/20161226221158/http://www.mvr.usace.army.mil/Portals/48/docs/CC/FactSheets/MISS/UMR%20Locks%20%26%20Dams%20-%202016%20%28MVD%29.pdf

See also

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References

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  1. ^ "National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.
  2. ^ Lock and Dam No. 25 - U.S. Army Corps of Engineers
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