I-75 SB over Pine River
Fair Condition63 years old1,825 vehicles/day
Location
| State | Michigan |
| County | Mackinac |
| Location | 3.6 Mi S Of Chippewa Col |
| Carries | I-75 SB |
| Crosses | Pine River |
| Coordinates | 46.12442, -84.61396 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| 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 | 1,825 (2014) |
| Truck Traffic | 11% |
| 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 | 000000000005941 |