View source for Allegheny River Lock and Dam No. 5

{{Infobox NRHP
| name         = Allegheny River Lock and Dam No. 5
| nrhp_type    =
| image        = Allegheny River Lock and Dam No. 5.jpg
| caption      = Allegheny River Lock and Dam No. 5, September 2013
| location     = 830 River Rd., [[Gilpin Township, Armstrong County, Pennsylvania|Gilpin Township, Pennsylvania]] and [[South Buffalo Township, Pennsylvania]]
| coordinates  = {{coord|40|41|09|N|79|39|59|W|display=inline,title}}
| locmapin     = Pennsylvania#USA
| built        = 1920-1927
| builder      = Corps of Engineer; Dravo Construction Company
| architecture = Moderne
| added        = April 21, 2000
| area         = {{convert|33|acre}}
| mpsub        = {{NRHP url|id=64500522|title=Allegheny River Navigation System MPS}}
| refnum       = 00000399<ref name="nris">{{NRISref|version=2010a}}</ref>
}}
'''Allegheny River Lock and Dam No. 5''' is a historic [[Lock (water transport)|lock]] and [[fixed-crest dam]] complex located at [[Gilpin Township, Armstrong County, Pennsylvania|Gilpin Township]] and [[South Buffalo Township, Pennsylvania|South Buffalo Township]] in [[Armstrong County, Pennsylvania]].<ref>{{Cite web|url=https://www.lrp.usace.army.mil/Missions/Navigation/Locks-and-Dams/Lock-Dam-5-Allegheny-River/|title=Pittsburgh District > Missions > Navigation > Locks and Dams > Lock & Dam 5, Allegheny River|website=www.lrp.usace.army.mil|language=en-US|access-date=2018-07-19}}</ref> 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.
It is located about 30.4 Miles up the [[Allegheny River]] from the [[Point State Park|Point]] in [[Downtown Pittsburgh]]. Also, it is a mere .2 Miles up the Allegheny from the mouth of the [[Kiskiminetas River]].<ref name="lrp.usace.army.mil">{{cite web |url=https://www.lrp.usace.army.mil/Portals/72/docs/navigation/AlleghenyRiverNavigationChart.pdf |title=Allegheny River Navigation Charts Allegheny River Navigation Charts|website=army.mil|access-date=10 April 2023|date=January 2004}}</ref>
Upriver, Allegheny Pool No. 5 has an average water elevation of 757 feet above sea level and extends about 5.9 miles upriver to [[Allegheny River Lock and Dam No. 6]]. Downriver, Allegheny Pool No. 4 has an average water elevation of 745.4 feet above sea level and extends about 6.2 miles downriver to [[Allegheny River Lock and Dam No. 4]].  Thus Lock No. 5 lifts and lowers boats about 11.6 feet between the pools.<ref name="lrp.usace.army.mil"/>
The Operations Building, or [[Power station|powerhouse]], is a utilitarian two-story building in a vernacular [[Moderne architecture|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]].<ref name="arch">{{cite web| url = https://www.dot7.state.pa.us/ce/SelectWelcome.asp| title = National Historic Landmarks & National Register of Historic Places in Pennsylvania| publisher = CRGIS: Cultural Resources Geographic Information System| format = Searchable database| access-date = 2012-08-24| archive-date = 2007-07-21| archive-url = https://web.archive.org/web/20070721014609/https://www.dot7.state.pa.us/ce/SelectWelcome.asp| url-status = dead}} ''Note:'' This includes {{cite web| url = {{NRHP-PA|H107970_01H.pdf}}| title = National Register of Historic Places Inventory Nomination Form: Allegheny River Lock and Dam No. 5| accessdate = 2012-08-24| author = Douglas Dinsmore| format = PDF| date = October 1997}}</ref>
It was listed on the [[National Register of Historic Places]] in 2000.<ref name="nris"/>
== References ==
{{Reflist}}
{{National Register of Historic Places in Pennsylvania}}
[[Category:Locks on the National Register of Historic Places in Pennsylvania]]
[[Category:Transport infrastructure completed in 1927]]
[[Category:United States Army Corps of Engineers dams]]
[[Category:Buildings and structures in Armstrong County, Pennsylvania]]
[[Category:Dams on the Allegheny River]]
[[Category:1927 establishments in Pennsylvania]]
[[Category:National Register of Historic Places in Armstrong County, Pennsylvania]]
[[Category:Dams on the National Register of Historic Places in Pennsylvania]]
[[Category:Transportation buildings and structures in Armstrong County, Pennsylvania]]