Lock and Dam No. 24

Lock and Dam No. 24 is a lock and dam located near Clarksville, Missouri around river mile 273.4 on the Upper Mississippi River. The main lock is 110 feet (33.5 m) wide and 600 feet (182.9 m) long with its bottom at an elevation of 430 feet. The auxiliary lock is not operational. Normal pool elevation behind the dam is 449 feet. The movable portion of the dam is 1,340 feet (408.4 m) long and consists of 15 submersible, elliptical, tainter gates. A 2,720 feet (829.1 m) submersible earthen dike extends from the movable dam to the Illinois shore.[2] In 2004, the facility was listed in the National Register of Historic Places as Lock and Dam No. 24 Historic District, #04000183 covering 1,027 acres (4.2 km2), 3 buildings, 15 structures, 4 objects.

Lock and Dam No. 24 viewed from the Missouri side of the river, looking northeast toward Illinois
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
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

Lock and Dam No. 24
Mississippi River Lock and Dam No. 24
LocationBelleview Precinct, Calhoun County, Illinois / Clarksville, Missouri, USA
Coordinates39°22′36″N 90°54′30″W
Construction beganJuly 1936
Opening dateMarch 12, 1940
Operator(s) U.S. Army Corps of Engineers, St. Louis District
Dam and spillways
ImpoundsUpper Mississippi River
Length1,340 feet (408.4 m)
Reservoir
CreatesPool 24
Total capacity125,363 acre⋅ft (0.154633 km3)
Catchment area140,900 sq mi (365,000 km2)
Lock and Dam No. 24 Historic District
Lock and Dam No. 24 is located in Missouri
Lock and Dam No. 24
Lock and Dam No. 24 is located in the United States
Lock and Dam No. 24
Location350 N. First St., Clarksville, Missouri
Area102.7 acres (41.6 ha)
Built1940
MPSUpper Mississippi River 9-Foot Navigation Project MPS
NRHP reference No.04000183[1]
Added to NRHPMarch 10, 2004

See also

References
  1. "National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.
  2. "Lock and Dam 24 Information Sheet" (PDF). U.S. Army Corps of Engineers. Retrieved September 11, 2017.


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