I-75 SB over M-61
Fair Condition58 years old8,140 vehicles/day
Location
| State | Michigan |
| County | Arenac |
| Location | 4.0 Mi W Of Standish |
| Carries | I-75 SB |
| Crosses | M-61 |
| Coordinates | 43.98314, -84.01698 |
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 | 110.6 ft (33.7 m) |
| Max Span | 47.9 ft (14.6 m) |
| Deck Width | 43.3 ft (13.2 m) |
| Deck Area | 444.8 sq m |
| Main Spans | 3 |
| Year Built | 1968 |
Traffic
| Avg Daily Traffic | 8,140 (2007) |
| Truck Traffic | 11% |
| Lanes On Bridge | 2 |
| Lanes Under 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 | 000000000000422 |