I-75 NB over D&m Rr (abn)
Fair Condition69 years old10,100 vehicles/day
Location
| State | Michigan |
| County | Emmet |
| Location | In Mackinaw City |
| Carries | I-75 NB |
| Crosses | D&m Rr (abn) |
| Coordinates | 45.78014, -84.73323 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 254.9 ft (77.7 m) |
| Max Span | 79.7 ft (24.3 m) |
| Deck Width | 81.4 ft (24.8 m) |
| Deck Area | 1927.0 sq m |
| Main Spans | 4 |
| Year Built | 1957 (reconstructed 1975) |
Traffic
| Avg Daily Traffic | 10,100 (2020) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000002452 |