7 bridges with vertical clearance data on SR-581 in Pennsylvania. Lowest: 144.4ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 144.4ft | Pa 581 | 83Sb,8113(Ramp To 581Wb) | Lemoyne Boro | 1960 | Map |
| 146.3ft | 581 | Tenth Street | Lemoyne | 1960 | Map |
| 150.9ft | Pa 581,Sr0581 | Sr 2014,Sr 2033,Norflk S | Lower Allen Twp | 1960 | Map |
| 151.6ft | Pa 581; Sr 0581 | Locust Lane | 2.0 Mi South Of I-81 | 1995 | Map |
| 174.9ft | 581 | Locust Lane | .2Mi.S. Of I-81 | 1995 | Map |
| 178.1ft | Sr 0581 | Sr 1010, Carlisle Pike | 581/11 @ Carlisle Pk | 1995 | Map |
| 194.9ft | Pa 581; Sr 0581 | Sr 8048 Ramp A&B | Intersect. Of Us11&Pa 581 | 1995 | Map |