M-64 over Mineral River
Fair Condition85 years old875 vehicles/day
Location
| State | Michigan |
| County | Ontonagon |
| Location | 1.0 Mi NE Of M-107 |
| Carries | M-64 |
| Crosses | Mineral River |
| Coordinates | 46.83409, -89.54942 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 80.1 ft (24.4 m) |
| Max Span | 38.7 ft (11.8 m) |
| Deck Width | 38.4 ft (11.7 m) |
| Deck Area | 285.5 sq m |
| Main Spans | 2 |
| Year Built | 1941 |
Traffic
| Avg Daily Traffic | 875 (2013) |
| 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 | 000000000008468 |