6 bridges with vertical clearance data on SR-55 in Idaho. Lowest: 166.7ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 166.7ft | Sh 55 | Mcleod Way | 13.7 Nw Boise Wcl | 2024 | Map |
| 170.6ft | Sh 55 | I 84;Karcher-Midland Ic | In Nampa | 2006 | Map |
| 174.2ft | Sh 55;Eagle Road | I 84 Eb-Wb;Eagle Rd Ic | 1.7 E. Meridian | 1990 | Map |
| 234.3ft | Sh 55 | Uprr;Horseshoe Bend Op | 2 N. Horseshoe Bend | 1971 | Map |
| 235.9ft | Sh 55 | Uprr;N.Fk.Payette River | 3.0 N. Smiths Ferry | 1933 | Map |
| 238.2ft | Sh 55 | Uprr | In Nampa | 2006 | Map |