| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|
| Apollo Bridge | PA 66 over Kiskiminetas River | Open to traffic | Warren pony truss | 1937 | -- | -- | 704.1 ft. |
| Avonmore Bridge | PA 156 over Kiskiminetas River | Open to traffic | Through truss | 1937 | -- | 217.9 ft. | 570.9 ft. |
| Beaver Run Stream Bridge | Bell Point Road (TR 811) over Beaver Run Stream | Open to traffic | Closed-spandrel arch | 1920 | -- | 59.1 ft. | 65.9 ft. |
| Bells Mill Bridge | Bells Mill Bridge over Sewickley Creek | Open to traffic | Timber stringer | 1850 | -- | 89.9 ft. | 107.0 ft. |
| Branch of Brush Creek Bridge | PA 4010 over Branch of Brush Creek | Open to traffic | Closed-spandrel arch | 1929 | -- | 41.0 ft. | 47.9 ft. |
| Branch Pucketa Creek Bridge | PA 4087 over Branch of Pucketa Creek | Closed to all traffic | Closed-spandrel arch | 1916 | -- | 25.9 ft. | 30.8 ft. |
| Brush Creek Bridge | PA 993 over Brush Creek | Open to traffic | Pratt through truss | 1937 | -- | 146.0 ft. | 147.0 ft. |
| Brush Creek Bridge | PA 4012 over Brush Creek | Open to traffic | Closed-spandrel arch | 1921 | -- | 44.9 ft. | 45.9 ft. |
| Brush Creek Bridge | PA 4019 over Brush Creek | Open to traffic | Closed-spandrel arch | 1912 | -- | 61.0 ft. | 65.0 ft. |
| Buffenmeyer Road Bridge | Buffenmeyer Road over Conrail Mainline | Open to traffic | Pony truss | 1906 | -- | 92.9 ft. | 92.9 ft. |
| Conrail Bridge | PA 30 over Conrail Railroad | Open to traffic | Closed-spandrel arch | 1936 | -- | -- | 69.9 ft. |
| Conrail Railroad Bridge | PA 4019 over Conrail Railroad | Open to traffic | Warren pony truss | 1902 | -- | -- | 120.1 ft. |
| Four Mile Run Bridge | TR 880 over Four Mile Run | Open to traffic | Closed-spandrel arch | ca. 1920 | -- | 22.0 ft. | 24.0 ft. |
| Indian Creek Bridge | PA 381 over Indian Creek | Open to traffic | Closed-spandrel arch | 1916 | -- | 22.0 ft. | 25.9 ft. |
| Kiskiminetas River Bridge | Mill Bridge Road over Kiskiminetas River | Open to traffic | Pratt through truss | 1938 | -- | 149.0 ft. | 704.1 ft. |
| Little Crabtree Creek Bridge | PA 1051 over Little Crabtree Creek | Open to traffic | Closed-spandrel arch | 1929 | -- | 24.9 ft. | 28.9 ft. |
| Loyalhanna Creek Bridge | PA 981 over Loyalhanna Creek | Open to traffic | Closed-spandrel arch | 1918 | -- | 96.1 ft. | 215.9 ft. |
| Loyalhanna Creek Bridge | PA 982 over Loyalhanna Creek | Open to traffic | Pony truss | 1931 | -- | 126.0 ft. | 258.9 ft. |
| Salina Bridge | PA 1060 over Kiskiminetas Creek | Open to traffic | Parker through truss | 1906 | -- | 220.2 ft. | 669.0 ft. |
| Seward Bridge | PA 56 over Conrail | Open to traffic | Warren pony truss | 1930 | -- | 108.9 ft. | 417.0 ft. |
| Vandergrift Bridge | PA 56 over Kiskiminetas River | Open to traffic | Parker through truss | 1933 | -- | 311.0 ft. | 497.1 ft. |
| West Leechburg Bridge | PA 4093 over Kiskiminetas River | Open to traffic | Parker through truss | 1935 | -- | 339.9 ft. | 669.0 ft. |
| West Newton Bridge | PA 136 over Youghiogheny River | Open to traffic | Parker through truss | 1907 | -- | 160.1 ft. | 490.2 ft. |