| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|
| Bolden Run Bridge | PA 4032 over Bolden Run | Open to traffic | Closed-spandrel arch | ca. 1908 | -- | 23.0 ft. | 23.0 ft. |
| Buttermore Road Bridge | Buttermore Road over Whites Run | Open to traffic | Arch | 1918 | -- | 36.1 ft. | 39.0 ft. |
| Church Street Bridge | Church Street Ext over York Run | Open to traffic | Stone arch | 1901 | -- | 20.0 ft. | 33.1 ft. |
| Dunlap Creek Bridge | PA 4003 over Dunlap Creek | Open to traffic | Steel arch | 1839 | -- | 80.1 ft. | 84.0 ft. |
| Guthrie Road Bridge | Guthrie Road over Little Sandy Creek | Open to traffic | Pratt pony truss | 1898 | -- | -- | 84.0 ft. |
| Layton Bridge | PA 4038 over Youghiogheny River | Open to traffic | Through truss | 1892 | -- | 181.1 ft. | 911.1 ft. |
| Masontown Bridge | PA 21 over Monongahela River | Open to traffic | Pennsylvania through truss | 1925 | -- | 401.9 ft. | 1457.1 ft. |
| Meadow Run Road Bridge | Meadow Run Road over Meadow Run | Open to traffic | Pratt pony truss | 1904 | -- | -- | 56.1 ft. |
| Mill Run Bridge | PA 381 over Indian Creek Reservoir | Open to traffic | Parker through truss | 1930 | -- | 154.9 ft. | 155.8 ft. |
| Monongahela Railroad Bridge | PA 4003 over Monongahela Railroad | Open to traffic | Stone arch | 1900 | -- | 25.9 ft. | 25.9 ft. |
| Poplar Run Bridge | PA 381 over Poplar Run | Open to traffic | Closed-spandrel arch | ca. 1930 | -- | 38.1 ft. | 38.1 ft. |
| Redstone Creek Bridge | Business US 40 over Redstone Creek | Open to traffic | Stone arch | 1940 | -- | 44.9 ft. | 44.9 ft. |
| Simpson Road Bridge | Simpson Road over Dunlap Creek | Open to traffic | Pratt pony truss | 1905 | -- | -- | 73.2 ft. |
| Somerfield Dam Bridge | US 40 over Youghiogheny River | Open to traffic | Warren deck truss | 1946 | -- | -- | 1672.0 ft. |
| Urbania Road Bridge | Urbania Road over Georges Creek | Open to traffic | Pratt pony truss | 1909 | -- | 75.1 ft. | 78.1 ft. |
| Weaver-Mill Road Bridge | Weaver-Mill Road over Georges Creek | Open to traffic | Pratt pony truss | 1904 | -- | -- | 50.9 ft. |
| Yura's Farm Road Bridge | Yura's Farm Road over Browns Run | Open to traffic | Pratt pony truss | 1903 | -- | -- | 44.9 ft. |
| Yura's Farm Road Bridge | Yura's Farm Road over Browns Run | Open to traffic | Pratt pony truss | 1902 | -- | -- | 45.9 ft. |