Us-31 NB over Amtrak Rr
Fair Condition47 years old8,122 vehicles/day
Location
| State | Michigan |
| County | Berrien |
| Location | 3.5 Mi SW Of Niles |
| Carries | Us-31 NB |
| Crosses | Amtrak Rr |
| Coordinates | 41.80826, -86.31700 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 171.9 ft (52.4 m) |
| Max Span | 58.7 ft (17.9 m) |
| Deck Width | 45.6 ft (13.9 m) |
| Deck Area | 728.4 sq m |
| Main Spans | 3 |
| Year Built | 1979 |
Traffic
| Avg Daily Traffic | 8,122 (2007) |
| Truck Traffic | 13% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000000896 |