Lock and Dam No. 25 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 near

Winfield, Missouri Winfield is a city in Lincoln County, Missouri, United States. The population was 1,404 at the 2010 census. History Winfield was laid out in 1879, and named after Winfield Scott Killam, the original owner of the town site. A post office called W ...

, 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 ...

around

river mile A river mile is a measure of distance in miles along a river from its mouth. River mile numbers begin at zero and increase further upstream. The corresponding metric unit using kilometers is the river kilometer. They are analogous to vehicle road ...

241.4. The movable portion of the dam is long and consists of three roller gates and 14

tainter gate The Tainter gate is a type of radial arm floodgate used in dams and canal locks to control water flow. It is named for Wisconsin structural engineer Jeremiah Burnham Tainter. A side view of a Tainter gate resembles a slice of pie with the c ...

s. A submersible dike extends to the

Illinois Illinois ( ) is a U.S. state, state in the Midwestern United States, Midwestern United States. Its largest metropolitan areas include the Chicago metropolitan area, and the Metro East section, of Greater St. Louis. Other smaller metropolita ...

shore. A long dike is part of the facility extending upstream on the

Missouri Missouri is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Ranking List of U.S. states and territories by area, 21st in land area, it is bordered by eight states (tied for the most with Tennessee ...

side of the river. The main lock is wide by long.Lock and Dam No. 25 - U.S. Army Corps of Engineers
/ref> 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. 25 Historic District, #04000184 covering , 2 buildings, 7 structures, 2 objects.

References

External links

USGS Reach 2, Pool 25
*

Historic American Engineering Record Heritage Documentation Programs (HDP) is a division of the U.S. National Park Service (NPS) responsible for administering the Historic American Buildings Survey (HABS), Historic American Engineering Record (HAER), and Historic American Landscapes ...

documentation: ** ** Dams completed in 1939 25 Transportation buildings and structures in Calhoun County, Illinois Buildings and structures in Lincoln County, Missouri Mississippi River locks Dams in Missouri Dams in Illinois United States Army Corps of Engineers dams Transport infrastructure completed in 1939 Roller dams Gravity dams Dams on the Mississippi River Mississippi Valley Division Historic American Engineering Record in Illinois Historic American Engineering Record in Missouri Historic districts on the National Register of Historic Places in Missouri National Register of Historic Places in Lincoln County, Missouri 25 25 25 1939 establishments in Illinois 1939 establishments in Missouri {{LincolnCountyMO-NRHP-stub

See also

References

External links