Dam in Grant County, Wisconsin
| Lock and Dam No. 11 | |
|---|---|
 Lock and Dam No. 11 as seen from a drone. | |
| Official name | General Zebulon Pike Lock and Dam No. 11 |
| Location | Dubuque, Iowa / Jamestown, Grant County, Wisconsin |
| Coordinates | 42°32′25″N 90°38′39″W / 42.540278°N 90.644167°W / 42.540278; -90.644167 |
| Construction began | 1934 |
| Opening date | 14 September 1937 |
| Operator(s) |  U.S. Army Corps of Engineers, Rock Island District |
| Dam and spillways | |
| Impounds | Upper Mississippi River |
| Length | 1,478 ft (450 m) |
| Reservoir | |
| Creates | Pool 11 |
| Total capacity | 170,000 acre⋅ft (0.21 km) |
| Catchment area | 81,600 sq mi (211,000 km) |
| Lock and Dam No. 11 Historic District | |
| U.S. National Register of Historic Places | |
| U.S. Historic district | |
  Show map of Iowa Show map of the United States | |
| Location | 11 Lime Street, Dubuque, Iowa |
| Area | 114.2 acres (46.22 ha) |
| Built | 1937 |
| Architect | Abbott, Edwin E.; multiple |
| Architectural style | lock and dam |
| MPS | Upper Mississippi River 9-Foot Navigation Project MPS |
| NRHP reference No. | 04000171 |
| Added to NRHP | March 10, 2004 |
General Zebulon Pike Lock and Dam No. 11 is a lock and dam located between Dubuque, Iowa, and rural Grant County, Wisconsin, on the Upper Mississippi River.
It was opened to navigation September 14, 1937.
Description
The movable portion of the dam is 1,478 feet (450.5 m) long and consists of 13 tainter gates and three roller gates. The non-movable part is a 3,340 feet (1,018.0 m) long non-overflow earthen dam that connects to the Wisconsin 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.
The lock and dam are listed on the National Register of Historic Places.
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 coots died near the dam and O'Leary Lake.
Gallery
- Lock and Dam No. 11
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Aerial view, with Eagle Point Bridge (1940)
See also
- Mississippi River locks
- Upper Mississippi River National Wildlife and Fish Refuge
- Eagle Point Bridge
- Sinnipee, Wisconsin
- Public Works Administration dams dist
References
- ^ "National Register Information System". National Register of Historic Places. National Park Service. March 13, 2009.
- "Lock & Dam 11" (PDF). U.S. Army Corps of Engineers. Archived from the original (PDF) on January 6, 2014. Retrieved January 5, 2014.
- "Lock and Dam 11 Mississippi River, Dubuque, Iowa" (PDF). United States Army Corps of Engineers. 2022. Retrieved May 26, 2024.
- Reber, Craig D. (December 18, 2015). "Estimated 200 birds found dead near O'Leary's Lake". Telegraph Herald. Retrieved May 17, 2024.
External links
- Lock and Dam No. 11 - U.S. Army Corps of Engineers (Official site)
Media related to Mississippi River Lock and Dam number 11 at Wikimedia Commons- USGS.gov: Reach 1, Pool 11
- USACE Civil Works Digital Project Notebook
- Historic American Engineering Record (HAER) No. IA-23, "Mississippi River 9-Foot Channel Project, Lock & Dam No. 11, Upper Mississippi River, Dubuque, Dubuque County, IA", 50 photos, 16 data pages, 3 photo caption pages
| List of locks and dams of the Upper Mississippi River | ||||
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| Dams | ||||
| Locks and dams | ||||
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| U.S. National Register of Historic Places | |
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| Topics | |
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| Related | |
- Mississippi River locks
- Dams in Wisconsin
- Dams on the Mississippi River
- Dams on the National Register of Historic Places in Iowa
- 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
- Dams on the National Register of Historic Places in Wisconsin
- Locks on the National Register of Historic Places in Wisconsin
- Locks on the National Register of Historic Places in Iowa
- 1937 establishments in Iowa
- 1937 establishments in Wisconsin