9 bridges with vertical clearance data on SR-251 in Illinois. Lowest: 137.5ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 137.5ft | Ill 251 | Spring Creek Rd | 1.4 Mi N Whitman St | 2012 | Map |
| 141.7ft | N 2Nd St | Whitman St | Whitman Interchange | 1963 | Map |
| 160.1ft | Ill 251 (Sb) | I 80 | Jc Ill 251 & I-80 | 1961 | Map |
| 160.8ft | Ill 251 (Nb) | I 80 | Jct Il 251 & I-80 | 1961 | Map |
| 160.8ft | Il 251 | Il38,Cnw&Bn Rr&1 Ave | In Rochelle | 1981 | Map |
| 162.4ft | Il 251/Fap 46 | I-39/Us 51 | 0.5 Mi. N. Il 71 | 1986 | Map |
| 174.9ft | Il 251 | Il Rv/Water St/Rr | 0.1 Mi S Of Us 6 | 1958 | Map |
| 186.7ft | Ill 251 S B | Rockton Road | 2.6 Mi S Ill 75 | 1967 | Map |
| 186.7ft | Ill 251 N B | Rockton Road | 2.6 Mi S Ill 75 | 1967 | Map |