14 bridges with vertical clearance data on SR-100 in Pennsylvania. Lowest: 133.2ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 133.2ft | Traffic Route 100 | Schuylkill Riv./River Rd | N. Of 422 11D11/3138E2 | 1954 | Map |
| 139.4ft | Pottstown By-Pass | Schuylkill Road | Coventry Mall 2D13 | 1954 | Map |
| 140.7ft | Pottstown Pike | W. Chester Bypass (322) | Near West Chester 31K8 | 1955 | Map |
| 143.0ft | Traffic Route 100 | Pine Ford Road (Local) | Halfway House 3026G5 | 1964 | Map |
| 144.0ft | Pottstown Pike | Route 100 | N Of Boot Road 31K1 | 1968 | Map |
| 144.4ft | Pa 100 Bypass | Us 202 | N. W. Chester 32D5/3583F2 | 1968 | Map |
| 144.7ft | Sr 100(Lr 779) | Twp.Rd.666 | New Berlinville | 1964 | Map |
| 155.8ft | Pottstown Pike | Neiman Road | 1.0 Mi To Lr 147 6D03 | 1954 | Map |
| 155.8ft | Traffic Route 100 | Manatawny Street | Pottstown 3026-E09 | 1958 | Map |
| 164.0ft | Pottstown Pike | Downingtown Intchg.Rm.Vw | Rt.100 Tpk.Rp.Vw 21B4 | 1987 | Map |
| 172.9ft | Sr 100 Sb | Sr 6222 And Schaefer Run | Sr 100 Sb Over Sr 6222 | 2005 | Map |
| 205.1ft | Route 100 | High St., Norfolk South. | Pottstown 3138E01 | 1954 | Map |
| 231.0ft | Route 100 | Keystone Boulevard | Pottstown 11D11/3138E01 | 1954 | Map |
| 451.1ft | Pa 100 Nb | Sr 6222 And Schaefer Run | Pa 100 Nb Over Sr 6222 | 2005 | Map |