| Bridge name | Speed (km/h) | Rainfall (mm) | Temperature (˚C) | Oncoming traffic (vehicles) | Number of persons on vehicle (persons) |
| Shingondai Bridge | 40 - 50 | 0 | 20 - 30 | 0 | 5 - 15 |
| Shiratsuchi Daini Bridge | 40 - 50 | 0 | 20 - 30 | 0 | 5 - 15 |
| Jase Bridge | 45 - 55 | 0 | 20 - 30 | 0 - 1 | No restriction |