Lock and Dam No. 26 was 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
Alton, Illinois
Alton ( ) is a city on the Mississippi River in Madison County, Illinois, United States, about north of St. Louis, Missouri. The population was 25,676 at the 2020 census. It is a part of the River Bend area in the Metro-East region of the ...
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 ...
202.5.
Opened in 1938, its largest lock was 600 feet long. It was demolished in 1990 and replaced by the
Melvin Price Locks and Dam
Melvin Price Locks and Dam is a dam and two locks at river mile 200.78 on the Upper Mississippi River, about north of Saint Louis, Missouri. The collocated , explains the structure and its engineering. Background
Construction began in 1979, the m ...
, which is also known as Lock and Dam number 26.
See also
*
Old Clark Bridge
The Old Clark Bridge was a bridge that carried U.S. Route 67 across the Mississippi River between West Alton, Missouri and Alton, Illinois. It was constructed beginning in 1927, was replaced by the Clark Bridge and was demolished in 1994. The brid ...
External links
* includes photos of the lock and dam, the old Clark Bridge, and the adjacent swing span rail bridge.
Buildings and structures in Madison County, Illinois
Mississippi River locks
Buildings and structures in St. Charles County, Missouri
Dams in Missouri
Dams in Illinois
United States Army Corps of Engineers dams
Transport infrastructure completed in 1938
Historic American Engineering Record in Illinois
Historic American Engineering Record in Missouri
Transportation buildings and structures in Madison County, Illinois
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