6 bridges with vertical clearance data on SR-309 in Ohio. Lowest: 147.6ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 147.6ft | Sr 309 | Over Ric-030-0894 | 2.50 Miles East Of Sr 430 | 1977 | Map |
| 149.9ft | Sr 309 Wb | Usr 30 | 1.00 Mi. East Of Lincoln | 1979 | Map |
| 210.0ft | Sr 309 Jameson Ave | Grand/Delphos/Cfe Rr # | West Edge Of Lima | 1969 | Map |
| 226.7ft | Sr 309 | Abandoned Rr | 5.03 Mi E Of Sr98 | 1960 | Map |
| 230.0ft | Sr309 | Railroad | 1 Mile East Of Us23 | 2023 | Map |
| 330.1ft | Sr 309 | Conrail Railroad | 0.5 Mi West Of Kenton | 1941 | Map |