[3] Name on the Register Image Date listed[4] Location City or town Description 1 Allegheny River Lock and Dam No. 5 Allegheny River Lock and Dam No. 5 April 21, 2000 (#00000399 ) 830 River Road above Freeport 40°41′09″N 79°39′59″W / 40.685833°N 79.666389°W / 40.685833; -79.666389 (Allegheny River Lock and Dam No. 5 ) Gilpin and South Buffalo Townships 2 Allegheny River Lock and Dam No. 6 Allegheny River Lock and Dam No. 6 April 21, 2000 (#00000400 ) 1258 River Road above Freeport 40°43′05″N 79°34′46″W / 40.718056°N 79.579444°W / 40.718056; -79.579444 (Allegheny River Lock and Dam No. 6 ) Bethel and South Buffalo Townships 3 Allegheny River Lock and Dam No. 7 Allegheny River Lock and Dam No. 7 April 21, 2000 (#00000401 ) Along Pennsylvania Route 4023, 0.6 miles (0.97 km) north of Kittanning Bridge 40°49′16″N 79°31′44″W / 40.821111°N 79.528889°W / 40.821111; -79.528889 (Allegheny River Lock and Dam No. 7 ) East Franklin Township and Kittanning 4 Allegheny River Lock and Dam No. 8 Allegheny River Lock and Dam No. 8 April 21, 2000 (#00000402 ) Along Pennsylvania Route 1033, 1.5 miles (2.4 km) south of Templeton 40°53′48″N 79°28′48″W / 40.896667°N 79.48°W / 40.896667; -79.48 (Allegheny River Lock and Dam No. 8 ) Boggs and Washington Townships 5 Allegheny River Lock and Dam No. 9 Allegheny River Lock and Dam No. 9 April 21, 2000 (#00000403 ) Terminus of Pennsylvania Route 1004, 0.2 miles (0.32 km) north of Township Route 488 40°57′17″N 79°32′50″W / 40.954722°N 79.547222°W / 40.954722; -79.547222 (Allegheny River Lock and Dam No. 9 ) Madison and Washington Townships 6 Armstrong County Courthouse and Jail Armstrong County Courthouse and Jail November 1, 1981 (#81000526 ) East Market Street 40°48′59″N 79°31′00″W / 40.816389°N 79.516667°W / 40.816389; -79.516667 (Armstrong County Courthouse and Jail ) Kittanning 7 Bradys Bend Iron Company Furnaces Bradys Bend Iron Company Furnaces August 11, 1980 (#80003407 ) Pennsylvania Route 68 in Bradys Bend 40°59′55″N 79°37′34″W / 40.998611°N 79.626111°W / 40.998611; -79.626111 (Bradys Bend Iron Company Furnaces ) Bradys Bend Township 8 Bridge between Madison and Mahoning Townships Bridge between Madison and Mahoning Townships June 22, 1988 (#88000798 ) Legislative Route 03178 over Mahoning Creek near Deanville 40°55′52″N 79°23′18″W / 40.931111°N 79.388333°W / 40.931111; -79.388333 (Bridge between Madison and Mahoning Townships ) Madison and Mahoning Townships 9 Colwell Cut Viaduct Colwell Cut Viaduct June 22, 1988 (#88000796 ) Legislative Route 66 over the Pittsburg and Shawmut Railroad southwest of Seminole 40°56′13″N 79°21′47″W / 40.936944°N 79.363056°W / 40.936944; -79.363056 (Colwell Cut Viaduct ) Mahoning Township 10 Drake Log Cabin Drake Log Cabin March 3, 1983 (#83002214 ) Williams Alley 40°34′45″N 79°33′55″W / 40.579056°N 79.565278°W / 40.579056; -79.565278 (Drake Log Cabin ) Apollo 11 Ford City Armory Ford City Armory December 22, 1989 (#89002074 ) 301 Tenth Street 40°46′18″N 79°31′55″W / 40.771667°N 79.531944°W / 40.771667; -79.531944 (Ford City Armory ) Ford City 12 Thomas Marshall House Thomas Marshall House April 22, 1976 (#76001602 ) State Street 40°52′50″N 79°14′34″W / 40.880556°N 79.242778°W / 40.880556; -79.242778 (Thomas Marshall House ) Dayton 13 St. Patrick's Roman Catholic Church St. Patrick's Roman Catholic Church March 21, 1978 (#78002340 ) West of Cowansville off Pennsylvania Route 268 40°53′45″N 79°40′37″W / 40.895833°N 79.676944°W / 40.895833; -79.676944 (St. Patrick's Roman Catholic Church ) Sugarcreek Township 14 St. Stephen's Church St. Stephen's Church June 30, 1980 (#80003408 ) Pennsylvania Route 68 in Bradys Bend 40°59′40″N 79°37′51″W / 40.994444°N 79.630833°W / 40.994444; -79.630833 (St. Stephen's Church ) Bradys Bend Township