9 bridges with vertical clearance data on I-A42 in Alaska. Lowest: 177.8ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 177.8ft | Parks Highway | Susitna River | Mile Point 69.3 | 1965 | Map |
| 177.8ft | Parks Highway | Chulitna River | Mile Point 98.3 | 1970 | Map |
| 177.8ft | Parks Highway | Troublesome Creek | Mile Point 102.9 | 1970 | Map |
| 177.8ft | Parks Highway | Byers Creek | Mile Point 109.5 | 1970 | Map |
| 177.8ft | Parks Highway | Rabideux Creek | Mile Point 70.3 | 1967 | Map |
| 177.8ft | Parks Highway | Trapper Creek | Mile Point 80.3 | 1967 | Map |
| 177.8ft | Parks Highway | Sawmill Creek | Mile Point 109.6 | 1966 | Map |
| 177.8ft | Parks Highway | Unnamed Creek | Mile Point 121.1 | 1966 | Map |
| 245.1ft | Parks Highway | Sunshine Overhead | Mile Point 64.9 | 2016 | Map |