5 bridges with vertical clearance data on 423 in Florida. Lowest: 163.1ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 163.1ft | John Young Pkwy Sb | Sr-91 Fla Turnpike | 0.3 Mi N Of Sr-482 | 1993 | Map |
| 163.1ft | John Young Pkwy Nb | Sr-91 Fla Turnpike | 0.3 Mi N Of Sr-482 | 1993 | Map |
| 169.9ft | John Young Pkwy Sb | Sand Lake Road | John Young Pkwy-Sand Lake | 2019 | Map |
| 169.9ft | John Young Pkwy Nb | Sand Lake Road | John Young Pkwy-Sand Lake | 2019 | Map |
| 178.1ft | John Young Parkway | Osceola Parkway (Cr-522) | 2.5 Mi North Of Us-192 | 2011 | Map |