| Name | Location | Status | Design | Year Built | Year Lost | Span Length (ft.) | Total Length (ft.) |
| Adams Station Bridge | TR 382 over Glade Run | Replaced by new bridge | Pratt pony truss | ca. 1930 | 1995 | 39.0 | 41.0 |
| Bonnie Brook Bridge | TR 761 over Bonnie Brook | Replaced by new bridge | Pony truss | ca. 1920 | 1996 | 29.9 | 30.8 |
| Book Bridge | Book Road (TR 348) over Muddy Creek | Open to traffic | Pratt pony truss | ca. 1895 | -- | 56.1 | 56.1 |
| Breakneck Creek Bridge | PA 3014 over Breakneck Creek | Open to traffic | Closed-spandrel arch | 1933 | -- | 40.0 | 43.0 |
| Browntown Road Bridge | Browntown Road (TR 841) over B&LE Railroad | Open to traffic | Steel stringer | 1927 | -- | 41.0 | 154.9 |
| Butler City Viaduct | PA 8 over B&LE Railroad | Replaced by a new bridge | Pratt deck truss | 1918 | 2005 | 185.0 | 839.0 |
| Caldwell Bridge | TR 500 over Connoquenessing Creek | Demolished and replaced | Half-hip Pratt pony truss | 1910 | 2006 | 56.1 | 61.0 |
| Carrara Road Bridge | Carrara Road (T-454) over Glade Run | Open to traffic | Deck arch | 1927 | -- | 30.8 | 37.1 |
| Connoquenessing Creek Bridge | TR 354 over Connoquenessing Creek | Replaced by new bridge | Through truss | 1925 | 1993 | 107.9 | 111.9 |
| Connoquenessing Creek Bridge | TR 415 over Connoquenessing Creek | Replaced by new bridge | Through truss | 1904 | 2001 | 140.1 | 145.0 |
| Connoquenessing Creek Bridge | TR 335 over Connoquenessing Creek | Replaced by new bridge | Pony truss | 1916 | 2000 | 115.2 | 117.1 |
| Connoquennessing Cr. Bridge | PA 288 over Connoquennessing Creek | Replaced by new bridge | Through truss | 1904 | 1998 | 160.1 | 167.0 |
| Cunningham Bridge | TR 572 over Bull Creek | Replaced by a new bridge | Pratt pony truss | ca. 1910 | 2004 | 40.0 | 44.0 |
| Doughertys Mills Bridge | PA 173 over Slippery Rock Creek | Open to traffic | Closed-spandrel arch | 1929 | -- | 69.9 | 140.1 |
| Fred Flinner Bridge No. 2 | TR 347 over Little Yellow Creek | Replaced by new bridge | Pony truss | 1908 | 1995 | 40.0 | 41.0 |
| Frishkorn Bridge | TR 340 over Crab Run | Replaced by a new bridge | Pony truss | ca. 1920 | 1990 | 41.0 | 45.9 |
| Golden City Bridge | TR 556 over Thorn Creek | Replaced by new bridge | Pratt pony truss | ca. 1920 | 1990 | 37.1 | 42.0 |
| Gus Flinner Bridge | Sawyer Road (TR 357) over Yellow Creek | Open to traffic | Half-hip Pratt pony truss | ca. 1910 | -- | 39.0 | 42.0 |
| Heck Bridge | TR 620 over Bonnie Brook | Replaced by new bridge | Pratt pony truss | ca. 1910 | 2001 | 42.0 | 46.9 |
| Jefferson Street Bridge | PA 68 (E. Jefferson Street) over Connoquenessing Creek and B&LE and B&P railroads | Open to traffic | Pratt through truss | 1937 | -- | 168.0 | 868.2 |
| Jones Bridge | TR 731 (Eldorado Road) over North Branch Bear Creek | Replaced by new bridge | Warren pony truss | 1907 | 1996 | 54.1 | 55.1 |
| McDeavitt Bridge | TR 691 over Buffalo Creek | Open to traffic | Warren pony truss | 1907 | -- | 50.9 | 50.9 |
| McFann Bridge | TR 384 over Glade Run | Open to traffic | Pratt pony truss | ca. 1910 | -- | 40.0 | 43.0 |
| Miller Hayes Bridge | TR 626 over Little Buffalo Run | Replaced by new bridge | Pratt pony truss | ca. 1930 | 2001 | 41.0 | 41.0 |
| North Branch Slippery Rock Creek Bridge | TR 428 over North Branch Slippery Rock Creek | Replaced by new bridge | Pony truss | 1926 | 1993 | 59.1 | 61.0 |
| Payne Bridge No. 2 | TR 318 (Currie Road) over Muddy Creek | Open to traffic | Closed-spandrel arch | 1909 | -- | 29.9 | 34.1 |
| Senn Bridge | Evergreen Mill Road (TR 323) over Little Connoquenessing Creek | Replaced by a new bridge | Polygonal Warren pony truss | 1929 | 2011 | 86.0 | 90.9 |
| Slippery Rock Creek Bridge | TR 424 over Slippery Rock Creek | Replaced by new bridge | Through truss | 1877 | 1992 | 71.9 | 75.1 |
| South Branch Slippery Rock Creek Bridge | TR 428 over South Branch Slippery Rock Creek | Replaced by new bridge | Pony truss | 1912 | 1994 | 42.0 | 44.9 |
| Thorn Creek Bridge | TR 505 over Thorn Creek | Replaced by new bridge | Through truss | 1916 | 1998 | 67.9 | 69.9 |
| Watson Road Bridge | Watson Road (TR 439) over North Branch Slippery Rock Creek | Open to traffic | Pony truss | -- | -- | 36.1 | 38.1 |
| Wayne Street Viaduct | Wayne Avenue over Connoquenessing Creek | Replaced by new bridge | Deck plate girder | 1915 | 2009 | 84.0 | 865.2 |
| Welsh Bridge | TR 360 over Connoquenessing Creek | Replaced by new bridge | Pratt pony truss | 1901 | 1998 | 51.8 | 54.1 |
| Wigton Bridge | TR 455 over Glade Run | Open to traffic | Closed-spandrel arch | 1927 | -- | 37.1 | 37.1 |