M-57 (vienna Rd) over I-75
Fair Condition28 years old20,432 vehicles/day
Location
| State | Michigan |
| County | Genesee |
| Location | At M-57 |
| Carries | M-57 (vienna Rd) |
| Crosses | I-75 |
| Coordinates | 43.17759, -83.76861 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 257.2 ft (78.4 m) |
| Max Span | 95.8 ft (29.2 m) |
| Deck Width | 92.8 ft (28.3 m) |
| Deck Area | 2218.7 sq m |
| Main Spans | 4 |
| Year Built | 1998 |
Traffic
| Avg Daily Traffic | 20,432 (2007) |
| Truck Traffic | 3% |
| Lanes On Bridge | 5 |
| Lanes Under Bridge | 6 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000002512 |