18 bridges with vertical clearance data on I-55 in Louisiana. Lowest: 149.9ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 149.9ft | I0055 | La 16 | I0055 | 1970 | Map |
| 149.9ft | I0055 | Parish Road | I0055 | 1966 | Map |
| 150.6ft | I0055 | La 1048 | I0055 | 1967 | Map |
| 152.2ft | I0055 | La 1049 | I0055 | 1966 | Map |
| 152.9ft | I0055 | La 38 | I0055 | 1966 | Map |
| 153.9ft | I0055 | La 1048 | I0055 | 1967 | Map |
| 154.9ft | I0055 | La 16 | I0055 | 1970 | Map |
| 154.9ft | I0055 | La 1049 | I0055 | 1966 | Map |
| 163.1ft | I0055 | I-10 & Us 51 & Swamp | 11 Mi S Of La 22 | 1975 | Map |
| 164.7ft | I0055 | Manchac Int/Service Rd | 11.0 M S Of La 22 | 1979 | Map |
| 169.0ft | I0055 | La 38 | I0055 | 1966 | Map |
| 170.6ft | I0055 | Elevated Rdwy | 11.0 M S Of La 22 | 1979 | Map |
| 174.9ft | I0055 | Us 51 & Swamp | I055 | 1975 | Map |
| 176.5ft | I0055 | Parish Road | I0055 | 1966 | Map |
| 200.8ft | I0055 | Us 190 | I0055 | 1968 | Map |
| 200.8ft | I0055 | Us0190 | 1 Mile South Of La 3234 | 1968 | Map |
| 223.1ft | I0055 | Icg Railroad | I0055 | 1968 | Map |
| 224.7ft | I0055 | Icg Railroad | I0055 | 1968 | Map |