| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|
| Ambridge-Woodbridge Bridge | 11th Street over Ohio River | Open to traffic | Cantilevered through truss | 1927 | -- | 529.9 ft. | 1995.2 ft. |
| Concord Church Road Bridge | Concord Church Road over Brush Creek | Open to traffic | Warren pony truss | 1871 | -- | 75.1 ft. | 78.1 ft. |
| Constitution Blvd. Bridge | Private road over Constitution Blvd. (PA 51) | Open to traffic | Warren deck truss | 1928 | -- | -- | 377.0 ft. |
| Fallston Bridge | Front Street over Beaver River | Open to traffic | Whipple through truss | 1884 | -- | -- | 405.9 ft. |
| Frankfort Road Bridge | PA 18 (Frankfort Road) over Traverse Creek | Open to traffic | Closed-spandrel arch | 1932 | -- | 46.9 ft. | 46.9 ft. |
| Frankfort Road Bridge | PA 18 (Frankfort Road) over Raccoon Creek | Open to traffic | Parker through truss | 1932 | -- | 185.0 ft. | 229.0 ft. |
| Frye Bridge | New York Avenue over Mckinley Run | Open to traffic | Double-intersection Warren deck truss | 1911 | -- | 70.0 ft. | 203.1 ft. |
| Garvins Bridge | State Line Road over Brush Run | Open to traffic | Warren pony truss | 1929 | -- | 40.0 ft. | 44.0 ft. |
| Koppel Bridge | PA 351 over Beaver River | Open to traffic | Warren deck truss | 1915 | -- | 221.1 ft. | 1206.1 ft. |
| Links Bridge | East Hookstown Road over Raccoon Creek | Open to traffic | Pratt through truss | 1939 | -- | 133.9 ft. | 138.1 ft. |
| Lovi Road Bridge | Lovi Road over Crows Run | Open to traffic | Stone arch | 1930 | -- | 16.1 ft. | 24.0 ft. |
| Merchant Street Bridge | Merchant Street over Big Sewickley Creek | Open to traffic | Closed-spandrel arch | 1827 | -- | 37.1 ft. | 37.1 ft. |
| Moffet Mill Bridge | Moffet Mill Road over Raccoon Creek | Closed to all traffic | Pratt through truss | 1929 | -- | 146.0 ft. | 151.9 ft. |
| Monaca Bridge | Pennsylvania Avenue over Ohio River | Open to traffic | Through truss | 1959 | -- | 730.0 ft. | 2037.2 ft. |
| N & S Railroad& Beaver River Bridge | LR 76,STA.712+19 over N & S Railroad& Beaver River | Open to traffic | Through truss | 1933 | -- | 367.1 ft. | 648.0 ft. |
| Pattons Bridge | Backbone Road over Raccoon Creek | Open to traffic | Through truss | 1927 | -- | -- | 86.9 ft. |
| Pennsylvania Avenue Bridge | Pennsylvania Avenue over CSX Railroad | Open to traffic | Pratt through truss | 1938 | -- | 180.1 ft. | 184.1 ft. |
| Service Creek Road Bridge | Service Creek Road over Service Creek | Open to traffic | Closed-spandrel arch | 1920 | -- | 42.0 ft. | 42.0 ft. |
| Watts Mill Road Bridge | Watts Mill Road over Little Beaver Creek | Open to traffic | Pratt pony truss | 1878 | -- | -- | 108.9 ft. |
| Young's Bridge | Sylvania Drive over Little Beaver Creek | Open to traffic | Pratt through truss | ca. 1885 | -- | 91.9 ft. | 98.1 ft. |