N Mackinaw HWY over I-75 NB
Fair Condition67 years old2,675 vehicles/day
Location
| State | Michigan |
| County | Cheboygan |
| Location | @ I-75 Old M-108 Jct |
| Carries | N Mackinaw HWY |
| Crosses | I-75 NB |
| Coordinates | 45.76265, -84.73209 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Tee Beam |
| Total Length | 281.8 ft (85.9 m) |
| Max Span | 82.7 ft (25.2 m) |
| Deck Width | 33.5 ft (10.2 m) |
| Deck Area | 876.2 sq m |
| Main Spans | 4 |
| Year Built | 1959 |
Traffic
| Avg Daily Traffic | 2,675 (2014) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000001520 |