Allegheny River Lock and Dam No. 5
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Allegheny River Lock and Dam No. 5
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Allegheny River Lock and Dam No. 5, September 2013
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| Location | 830 River Rd., Gilpin Township, Pennsylvania and South Buffalo Township, Pennsylvania |
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| Coordinates | 40°41′09″N 79°39′59″W / 40.68583°N 79.66639°WCoordinates: 40°41′09″N 79°39′59″W / 40.68583°N 79.66639°W |
| Area | 33 acres (13 ha) |
| Built | 1920-1927 |
| Built by | Corps of Engineer; Dravo Construction Company |
| Architectural style | Moderne |
| MPS | Allegheny River Navigation System MPS |
| NRHP Reference # | 00000399 |
| Added to NRHP | April 21, 2000 |
Allegheny River Lock and Dam No. 5 is a historic lock and dam complex located at Gilpin Township and South Buffalo Township in Armstrong County, Pennsylvania. It was built between 1920 and 1927 by the United States Army Corps of Engineers, and consists of the lock, dam, esplanade, and Operations Building. The lock measures 56 feet by 360 feet, and has a lift of 11.6 feet. The dam measures approximately 22 feet high and 632 feet long. The Operations Building, or powerhouse, is a utilitarian two-story building in a vernacular Moderne style. The lock and dam were built by the U.S. Army Corps of Engineers as a part of an extensive system of locks and dams to improve navigation along the Allegheny River.
It was listed on the National Register of Historic Places in 2000.
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