Point Marion Lock and Dam, previously known as Lock and Dam Number 8, is one of nine navigational structures on the

Monongahela River The Monongahela River ( , ), sometimes referred to locally as the Mon (), is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed August 15, 2011 river on the Allegheny Plateau in nor ...

between

Pittsburgh Pittsburgh ( ) is a city in Allegheny County, Pennsylvania, United States, and its county seat. It is the List of municipalities in Pennsylvania#Municipalities, second-most populous city in Pennsylvania (after Philadelphia) and the List of Un ...

Pennsylvania Pennsylvania, officially the Commonwealth of Pennsylvania, is a U.S. state, state spanning the Mid-Atlantic (United States), Mid-Atlantic, Northeastern United States, Northeastern, Appalachian, and Great Lakes region, Great Lakes regions o ...

and Fairmont,

West Virginia West Virginia is a mountainous U.S. state, state in the Southern United States, Southern and Mid-Atlantic (United States), Mid-Atlantic regions of the United States.The United States Census Bureau, Census Bureau and the Association of American ...

. Maintained and built by the

U.S. Army Corps of Engineers The United States Army Corps of Engineers (USACE) is the military engineering branch of the United States Army. A direct reporting unit (DRU), it has three primary mission areas: Engineer Regiment, military construction, and civil wor ...

, the gated dam forms an upstream pool that is long, stretching to the base of the Morgantown Lock and Dam. It is located at

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

90.5 (river kilometer 145.6). There is one lock chamber on the left descending bank of the river at the dam, wide and long. The reservoir formed by the dam is also a municipal and industrial water supply. Point Marion Lock and Dam Entrance

References

{{Crossings navbox , structure = Dams , place =

, bridge = Point Marion Lock and Dam , bridge signs = , upstream = Star City Bridge , upstream signs = , downstream =

Albert Gallatin Memorial Bridge The Albert Gallatin Memorial Bridge (also known as the Point Marion Bridge) was a cantilever truss bridge that carried vehicular traffic across the Monongahela River in the southwestern part of the U.S. state of Pennsylvania. Built in 1930 to re ...

, downstream signs = Crossings of the Monongahela River United States Army Corps of Engineers, Pittsburgh District Dams in Pennsylvania Transportation buildings and structures in Greene County, Pennsylvania Transportation buildings and structures in Fayette County, Pennsylvania Buildings and structures in Greene County, Pennsylvania Buildings and structures in Fayette County, Pennsylvania United States Army Corps of Engineers dams Dams completed in 1926

See also

References