I-75 NB over Pine River
Fair Condition63 years old1,508 vehicles/day
Location
| State | Michigan |
| County | Mackinac |
| Location | 3.6 Mi S Of Chippewa Col |
| Carries | I-75 NB |
| Crosses | Pine River |
| Coordinates | 46.12419, -84.61372 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 521.0 ft (158.8 m) |
| Max Span | 58.1 ft (17.7 m) |
| Deck Width | 36.4 ft (11.1 m) |
| Deck Area | 1762.7 sq m |
| Main Spans | 9 |
| Year Built | 1963 |
Traffic
| Avg Daily Traffic | 1,508 (2007) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000005940 |