General Zebulon Pike Lock and Dam No. 11 is a
lock
Lock(s) or Locked may refer to:
Common meanings
*Lock and key, a mechanical device used to secure items of importance
*Lock (water navigation), a device for boats to transit between different levels of water, as in a canal
Arts and entertainme ...
and
dam
A dam is a barrier that stops or restricts the flow of surface water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use, aqua ...
located between
Dubuque, Iowa
Dubuque (, ) is a city in Dubuque County, Iowa, United States, and its county seat. The population was 59,667 at the 2020 United States census. The city lies along the Mississippi River at the junction of Iowa, Illinois, and Wisconsin, a region ...
, and rural
Grant County, Wisconsin
Grant County is the most southwestern county in the U.S. state of Wisconsin. As of the 2020 census, the population was 51,938. Its county seat is Lancaster and its largest city is Platteville. The county is named after the Grant River, in t ...
, on the
Upper Mississippi River
The Mississippi River is the main stem, primary river of the largest drainage basin in the United States. It is the second-longest river in the United States, behind only the Missouri River, Missouri. From its traditional source of Lake Ita ...
.
It was opened to navigation September 14, 1937.
Description
The movable portion of the dam is long and consists of 13
tainter gates and three
roller gates. The non-movable part is a long non-overflow earthen dam that connects to the
Wisconsin
Wisconsin ( ) is a U.S. state, state in the Great Lakes region, Great Lakes region of the Upper Midwest of the United States. It borders Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake Michigan to the east, Michig ...
shore.
The main lock is wide by long. There is also an incomplete auxiliary lock.
The lock and dam are listed on the
National Register of Historic Places
The National Register of Historic Places (NRHP) is the Federal government of the United States, United States federal government's official United States National Register of Historic Places listings, list of sites, buildings, structures, Hist ...
.
History
Construction the lock began in February 1934 while the dam was started to be built September 1935. They were completed August 1936 and May 1937 respectively. The system was put into operation on September 14, 1937.
In December 2015, 200
coot
Coots are medium-sized water birds that are members of the rail family, Rallidae. They constitute the genus ''Fulica'', the name being the Latin term for "coot". Coots have predominantly black plumage, and—unlike many rails—they are usual ...
s died near the dam and
O'Leary Lake.
Gallery
File: Lock_and_dam.png,
File:Lock and dam 11.jpg
File:Grant11171940 11A-73 7x9 crop Lock and Dam 11 with Eagle Point Bridge.jpg, Aerial view, with Eagle Point Bridge (1940)
See also
*
*
Upper Mississippi River National Wildlife and Fish Refuge
The Upper Mississippi River National Wildlife and Fish Refuge is a ,
See also
* Izaak Walton League
* List of National Wildlife Refuges
*Trempealeau National Wildlife Refuge
Trempealeau National Wildlife Refuge is a National Wildlife Refuge ...
*
Eagle Point Bridge
*
Sinnipee, Wisconsin
*
Public Works Administration dams dist
References
External links
Lock and Dam No. 11 - U.S. Army Corps of Engineers(Official site)
*
USACE Civil Works Digital Project Notebook
*
{{NRHP in Dubuque, Iowa
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11
Dams on the Mississippi River
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Gravity dams
Roller dams
Buildings and structures in Dubuque County, Iowa
Buildings and structures in Grant County, Wisconsin
Historic American Engineering Record in Iowa
Historic American Engineering Record in Wisconsin
Historic districts in Dubuque, Iowa
Historic districts on the National Register of Historic Places in Iowa
National Register of Historic Places in Dubuque, Iowa
Transport infrastructure completed in 1937
Transportation buildings and structures in Dubuque County, Iowa
Driftless Area
Mississippi Valley Division
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1937 establishments in Iowa
1937 establishments in Wisconsin