Allegheny River Lock and Dam No. 7

{{Use American English|date=July 2025}}

{{Use mdy dates|date=March 2025}}

{{Infobox NRHP

| name = Allegheny River Lock and Dam No. 7

| nrhp_type =

| image = Waterside.jpg

| caption = Allegheny River Lock and Dam No. 7, June 2008

| location = Along PA 4023, 0.6 mi. N of Kittanning Br., East Franklin Township, Pennsylvania and Kittanning, Pennsylvania

| coordinates = {{coord|40|49|16|N|79|31|44|W|display=inline,title}}

| locmapin = Pennsylvania#USA

| built = 1928-1930

| builder = Dravo Corp.

| architecture = Late 19th And 20th Century Revivals

| added = April 21, 2000

| area = {{convert|19.3|acre}}

| mpsub = {{NRHP url|id=64500522|title=Allegheny River Navigation System MPS}}

| refnum = 00000401{{NRISref|version=2010a}}

}}

Allegheny River Lock and Dam No. 7 is a historic lock and fixed-crest dam complex located at East Franklin Township, Pennsylvania and Kittanning in Armstrong County, Pennsylvania.{{Cite web|url=https://www.lrp.usace.army.mil/Missions/Navigation/Locks-and-Dams/Lock-Dam-7-Allegheny-River/|archive-url=https://web.archive.org/web/20161019162702/http://www.lrp.usace.army.mil/Missions/Navigation/Locks-and-Dams/Lock-Dam-7-Allegheny-River/|url-status=dead|archive-date=October 19, 2016|title=Pittsburgh District > Missions > Navigation > Locks and Dams > Lock & Dam 7, Allegheny River|website=www.lrp.usace.army.mil|language=en-US|access-date=2018-07-19}} It was built between 1928 and 1930 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 13.0 feet. The dam measures approximately 20 feet high and 916 feet long. The Operations Building, or powerhouse, is a utilitarian two-story building in a vernacular early-20th century revival 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.{{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 = 2012-08-25| 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|H067786_01H.pdf}}| title = National Register of Historic Places Inventory Nomination Form: Allegheny River Lock and Dam No. 7| accessdate = 2012-08-24| author = Douglas Dinsmore| format = PDF| date = October 1997}}

It was listed on the National Register of Historic Places in 2000.