Old State RD over I-75 NB
Fair Condition65 years old500 vehicles/day
Location
| State | Michigan |
| County | Otsego |
| Location | 4.1 Mi N Of Crawford Col |
| Carries | Old State RD |
| Crosses | I-75 NB |
| Coordinates | 44.91573, -84.68824 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 397.0 ft (121 m) |
| Max Span | 67.9 ft (20.7 m) |
| Deck Width | 30.8 ft (9.4 m) |
| Deck Area | 1137.4 sq m |
| Main Spans | 6 |
| Year Built | 1961 |
Traffic
| Avg Daily Traffic | 500 (1988) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000008673 |