| Name | Location | Status | Design | Year Built | Year Lost | Span Length (ft.) | Total Length (ft.) |
|---|---|---|---|---|---|---|---|
| Arroyo Road Bridges | T-314 (Arroyo Rd) over Lake City Run and Beech Bottom Run | Open to traffic | Concrete rigid frame | 1960 | -- | 21.0 | 23.0 |
| Bear Creek Bridge | T-307 (Spring Cr) over Bear Creek | Open to traffic | Concrete tee beam | 1925 | -- | 51.8 | 54.1 |
| Benezette Bridge | TR 423 over Bennett Branch Sinnemahoning Creek | Open to traffic | Baltimore through truss | 1894 | 2007 | 150.9 | 315.0 |
| Benezette Main Street Bridge | Main Street (former) over Trout Run | Derelict/abandoned | Half-hip Pratt pony truss | -- | -- | -- | -- |
| Bennett Branch Sinnemahoning Creek Swinging Suspension Footbridges | pedestrian pathways over Bennett Branch Sinnemahoning Creek | Open to pedestrians only | Wire suspension | -- | -- | -- | -- |
| Boggy Run Road bridge | Boggy Run Road over Little Toby Creek | Open to traffic | Concrete tee beam | 1911 | -- | 77.1 | 78.1 |
| BPRR - Clarion River Bridge | Buffalo and Pittsburgh Railroad over Clarion River | Open to traffic | Double-intersection Warren through truss | 1899 | -- | -- | -- |
| BPRR - East Branch Clarion River Bridge | Buffalo and Pittsburgh Railroad over East Branch Clarion River | Open to traffic | Pony/through plate girder | -- | -- | -- | -- |
| BPRR - Empire Tunnel | Buffalo & Pittsburgh Railroad under | Open to traffic | Tunnel | 1908 | -- | -- | -- |
| BPRR - Johnsonburg Viaduct | Buffalo and Pittsburgh Railroad over West Branch Clarion River | Open to traffic | Deck plate girder | 1912 | -- | -- | -- |
| Branch Elk Creek (Replacement) | rt 120 over Branch Elk Creek | Open to traffic | Rigid frame | -- | -- | -- | -- |
| Branch Elk Creek Bridge | Sr 120-Pa 120 over Branch Elk Creek | Replaced by a new bridge | Concrete tee beam | 1930 | -- | 21.0 | 23.0 |
| Caledonia Pike Bridge | T-464 (Caledonia Road) over Bennett Branch Sinnemahoning Creek | Open to traffic | Girder | 1937 | -- | 84.0 | 176.8 |
| Clarion Avenue Bridge | Clarion Avenue over East Branch Clarion River | Open to traffic | Parker pony truss | 1930 | -- | 123.0 | 125.0 |
| Clarion River Bridge | TR 314 over Clarion River | Open to traffic | Pratt through truss | 1901 | -- | -- | 280.9 |
| Clarion River Bridge | Grant Street over Clarion River | Replaced by new bridge | Through truss | 1933 | 1994 | 136.2 | 138.1 |
| Clarion River Bridge | Main Street over Clarion River | Replaced by a new bridge | Concrete through arch | 1913 | 1975 | -- | -- |
| Dents Run Bridge | TR 427 over Dents Run | Replaced by new bridge | Pratt pony truss | 1902 | 1997 | 54.1 | 55.1 |
| Dents Run Bridge | SR 555 over Dents Run | Open to traffic | Steel stringer | 1940 | -- | 62.0 | 65.9 |
| Elk Creek Bridge | US 219 over Elk Creek | Open to traffic | Concrete tee beam | 1912 | -- | 67.9 | 69.9 |
| Farm Road Laural Run | Bridge over Laurel Run | Unknown | -- | -- | -- | -- | |
| Grant Road Bridge | TR 426 (Grant Road) over Bennett Branch Sinnemahoning Creek | Replaced by a new bridge | Pratt through truss | 1889 | 2012 | 103.0 | 106.0 |
| Horner Road Bridge | TR 368 (Horner Road) over West Branch Clarion River | Open to traffic | Steel stringer | 1930 | -- | 37.1 | 38.1 |
| Irwin Run Bridge | PA 3002 over Irwin Run | Open to traffic | Closed-spandrel arch | 1909 | -- | 24.9 | 24.9 |
| Kersey Run Bridge | SR 255 over Kersey Run | Open to traffic | Concrete tee beam | 1930 | -- | 41.0 | 43.0 |
| Little Toby Creek Bridge | Parolori Rd (TR 521) over Little Toby Creek | Open to traffic | Closed-spandrel arch | 1916 | -- | 48.9 | 48.9 |
| Little Toby Swinging Bridge | Clarion - Little Toby Trail over Little Toby Creek | Open to traffic | Wire suspension | 1992 | -- | -- | -- |
| Main Street-Clarion River Bridge(Replacement) | Sr 948-Pa 948 over Clarion River | Open to traffic | Stringer | 1975 | -- | 83.0 | 253.0 |
| Mill Pond Bridge | Sr 1005 over Mill Pond | Open to traffic | Concrete tee beam | 1928 | -- | 23.0 | 24.9 |
| Old Kane Road Bridge | TR 631 (Old Kane Road) over West Branch Clarion River | Replaced by a new bridge | Concrete tee beam | 1924 | 2003 | 33.1 | 71.9 |
| PA 120-Laurel Run Bridge | Sr 120-Pa 120 over Laurel Run | Open to traffic | Concrete tee beam | 1949 | -- | 25.9 | 26.9 |
| Powers Run Bridge | Sr 255-Pa 255 over Powers Run | Open to traffic | Concrete tee beam | 1931 | -- | 40.0 | 42.0 |
| Rt219- Powers Run | SR 219-US 219 over POWERS RUN | Replaced by a new bridge | Stringer | 1956 | -- | 60.0 | 63.0 |
| Shanley Road Bridge | Shanley Road (TR 308) over Clarion River | Replaced by a new bridge | Pratt through truss | 1891 | 2007 | 115.2 | 344.2 |
| Spring Creek Bridge | TR 301 (River Road) over Spring Creek | Demolished | Pratt through truss | 1898 | 2012 | 128.0 | 128.9 |
| State Street-Mill Creek Bridge | Sr 120-Pa 120 over Mill Creek | Open to traffic | Concrete tee beam | 1947 | -- | 38.1 | 40.0 |
| West Branch Clarion River Bridge | PA 1006 over West Branch Clarion River | Replaced by a new bridge | Parker pony truss | 1938 | 2011 | 120.1 | 123.0 |
| West Branch Clarion River Bridge (Replacement) | SR 1006 over WILSON RUN | Open to traffic | Stringer | 2011 | -- | 100.1 | 103.0 |
| West Creek Bridge | TR 432 over West Creek | Demolished and replaced with a slab of concrete. | Warren pony truss | 1906 | -- | 44.9 | 46.9 |
| Wilson Run Bridge | T-361 Twin Lakes Rd over Wilson Run | Open to traffic | Slab | 1937 | -- | 21.0 | 43.0 |
| Wolf Run Bridge | SR 66 over Wolf Run | Open to traffic | Concrete tee beam | 1932 | -- | 25.9 | 27.9 |