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Lock and Dam No. 15
Mississippi River Lock and Dam number 15.jpg
Lock and Dam No. 15 on the Mississippi River. View is from the Illinois side of the river looking across to Davenport, Iowa.
Impounds Upper Mississippi River
Locale Rock Island, Illinois / Davenport, Iowa
Length 1,203 feet (366.7 m)
Construction began 1931
Opening date March 7, 1934
Reservoir information
Creates Pool 15
Geographical Data
Coordinates 41°31′07″N 90°34′08″W / 41.51861°N 90.56889°W / 41.51861; -90.56889Coordinates: 41°31′07″N 90°34′08″W / 41.51861°N 90.56889°W / 41.51861; -90.56889
Maintained by United States Army Corps of Engineers

Lock and Dam No. 15 is a lock and dam located on the Upper Mississippi River. It spans the river between Rock Island, Illinois and Davenport, Iowa. Lock and Dam 15 is the largest roller dam in the world, its dam is 1,203 feet (366.7 m) long and consists of nine 109 feet (33.2 m) non-submersible, non-overflow roller gates and two 109 feet (33.2 m) non-submersible overflow roller gates. It is unusual among the upper Mississippi River dams in that it has only roller gates, has different sizes and types of roller gates, it is not perpendicular to the flow of the river and is one of the few facilities that has a completed auxiliary lock. The main lock is 110 feet (33.5 m) wide by 600 feet (182.9 m) long and its auxiliary lock is 110 feet (33.5 m) wide by 360 feet (109.7 m) long. In 2004, the facility was listed in the National Register of Historic Places as Lock and Dam No. 15 Historic District, #04000175 covering 3,590 acres (14.5 km2), 2 buildings, 9 structures, and 1 object.

See also

External links

Lock and Dam No. 15 in 1934

Locks and dams of the Upper Mississippi River
Lock and Dam No. 14
Lock and Dam No. 16

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