Lock and Dam No. 15 is a

lock Lock(s) 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 entertainment * ''Lock ...

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, a ...

located on the Upper

Mississippi River The Mississippi River is the second-longest river and chief river of the second-largest drainage system in North America, second only to the Hudson Bay drainage system. From its traditional source of Lake Itasca in northern Minnesota, it f ...

. It spans the river between

Rock Island, Illinois Rock Island is a city in and the county seat of Rock Island County, Illinois, Rock Island County, Illinois, United States. The original Rock Island, from which the city name is derived, is now called Rock Island Arsenal, Arsenal Island. The popul ...

and

Davenport, Iowa Davenport is a city in and the county seat of Scott County, Iowa, United States. Located along the Mississippi River on the eastern border of the state, it is the largest of the Quad Cities, a metropolitan area with a population of 384,324 and a ...

. Lock and Dam 15 is the largest

roller dam A Roller dam is a type of hydro-control device specially designed to mitigate erosion. They are most often used to divert water for irrigation but the largest and most notable examples are used to ease river navigation. The world's first roller ...

in the world, its dam is long and consists of nine non-submersible, non-overflow roller gates and two 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 wide by long and its auxiliary lock is wide by long. In 2004, the facility was listed in the

National Register of Historic Places The National Register of Historic Places (NRHP) is the United States federal government's official list of districts, sites, buildings, structures and objects deemed worthy of preservation for their historical significance or "great artistic v ...

as Lock and Dam No. 15 Historic District, #04000175 covering , 2 buildings, 9 structures, and 1 object.

References

External links

Mississippi River Visitor Center Locks & Dam 15 - U.S. Army Corps of EngineersLock and Dam No. 15 - U.S. Army Corps of Engineers
*
US Army Corps of Engineers LD 15 Cam 2
– Live camera of Lock & Dam 15, picture updated every 60 seconds {{Quad Cities Transport infrastructure completed in 1895 Dams in Illinois Dams in Iowa Mississippi River locks Buildings and structures in Rock Island, Illinois Buildings and structures in Davenport, Iowa 15 15 15 Tourist attractions in the Quad Cities National Register of Historic Places in Rock Island County, Illinois Tourist attractions in Rock Island County, Illinois Transportation buildings and structures in Rock Island County, Illinois Transportation in Davenport, Iowa Tourist attractions in Davenport, Iowa United States Army Corps of Engineers dams Historic American Engineering Record in Iowa Historic American Engineering Record in Illinois Roller dams Dams on the Mississippi River Mississippi Valley Division Historic districts on the National Register of Historic Places in Illinois 15

See also

References

External links