6 bridges with vertical clearance data on SR-320 in Pennsylvania. Lowest: 145.3ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 145.3ft | Sproul Road | Us-1 Bypass | Springfield Twp 3587D10 | 1977 | Map |
| 169.0ft | Sproul Road | Mid-County Expressway | Cardinal O'Hara Hs 25J13 | 1989 | Map |
| 169.6ft | Chester Road | Mid-County Exwy;Crum Ck. | 1Mi.To Chester 34H11 | 1989 | Map |
| 169.9ft | Madison Street(Nb) | Csx & Interstate 95 | .7Mi.S. Ridley Ck. 43G03 | 1968 | Map |
| 170.9ft | Spring Mill Road | Amtrak(Main Line);Access | Villanova Station 14K09 | 1993 | Map |
| 275.9ft | Sproul Road | Whiskey Run & Septa | .5Mi.N.Baltimore 34J05 | 1949 | Map |