Lock and Dam No. 22 is a lock and dam located near Saverton, Missouri, on the Upper Mississippi River around river mile 301.2. The movable portion of the dam is 1,224 feet (373.1 m) long and consists of three roller gates and ten tainter gates. A 1,600 feet (487.7 m) long submersible earthen dike extends to a flood control levee on the Illinois shore. The main lock is 110 feet (33.5 m) wide by 600 feet (182.9 m) long; there is also an incomplete auxiliary lock.[2] In 2004, the facility was listed in the National Register of Historic Places as Lock and Dam No. 22 Historic District, #04000182 covering 1,268 acres (5.1 km2), 1 building, 5 structures, 4 objects.

Lock and Dam No. 22
Mississippi River Lock and Dam No. 22
Lock and Dam No. 22 is located in Missouri
Lock and Dam No. 22
Location of Lock and Dam No. 22 in Missouri
LocationCincinnati Township, Pike County, Illinois / Saverton Township, Ralls County, Missouri,
near Saverton, Missouri
Coordinates39°38′18″N 91°14′49″W / 39.63833°N 91.24694°W / 39.63833; -91.24694
Construction began1934
Opening dateJuly 22, 1938
Operator(s) U.S. Army Corps of Engineers, Rock Island District
Dam and spillways
ImpoundsUpper Mississippi River
Length1,224 feet (373.1 m) (movable portion)
Reservoir
CreatesPool 22
Total capacity80,000 acre⋅ft (0.099 km3)
Catchment area137,500 sq mi (356,000 km2)
Lock and Dam No. 22 Historic District
Lock and Dam No. 22 is located in Missouri
Lock and Dam No. 22
LocationSecondary Rd. E, New London, Missouri
Area126.8 acres (51.3 ha)
Built1938
ArchitectUS Army Corps of Engineers; Abbott, Edwin E., et al.
MPSUpper Mississippi River 9-Foot Navigation Project MPS
NRHP reference No.04000182[1]
Added to NRHPMarch 10, 2004

When the northern part of Mississippi froze in the first week of February 2007, upwards of 20 bald eagles flew down to fish in the churning waters below Lock and Dam No. 22.[citation needed]

Public Works Administration and Army Corps of Engineers building Lock and Dam No. 22
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 & Dam 22" (PDF). U.S. Army Corps of Engineers. Archived from the original (PDF) on January 22, 2015.
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