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Lock and Dam No. 15

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Opening date  March 7, 1934
Creates  Pool 15
Area  145 ha
Construction began  1931
Length  1,203 feet (366.7 m)
Opened  7 March 1934
Added to NRHP  10 March 2004
Impound  Upper Mississippi River
Lock and Dam No. 15 httpsuploadwikimediaorgwikipediacommonsthu
Location  Rock Island, Illinois / Davenport, Iowa
Impounds  Upper Mississippi River
Total capacity  100,000 acre¬∑ft (0.12 km)
Operator  United States Army Corps of Engineers
Similar  Lock and Dam No 14, Government Bridge, Lock and Dam No 13, Davenport Skybridge, Credit Island

Tow entering lock and dam 15 from up river

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 (180 m) long and its auxiliary lock is 110 feet (34 m) wide by 360 feet (110 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 (1,450 ha), 2 buildings, 9 structures, and 1 object.


Map of Lock and Dam No. 15, Davenport, IA 52801, USA


Lock and Dam No. 15 Wikipedia

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