6 bridges with vertical clearance data on SR-66 in Pennsylvania. Lowest: 145.3ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 145.3ft | Sr0066 Nb&Sb | Sr0422;Sr2025;Garretts | 1/112Th Infantry Alpha Co | 1980 | Map |
| 165.4ft | Sr8006 | Sr0080 Eb&Wb | Paint Boulevard | 1965 | Map |
| 169.3ft | Sr0066 Nb&Sb | Sr0080 Eb & Brush Run | Greenville Pike No.1 | 1965 | Map |
| 169.9ft | Sr0066 Nb&Sb | Sr0080 Wb | Greenville Pike No.2 | 1965 | Map |
| 325.8ft | Pa Tpk (Pa 66) | Sr 2012 | Hempfield Twp | 1991 | Map |
| 343.8ft | Pa Tpk (Pa 66) | Sr 2012 | Hempfield Twp | 1991 | Map |