N Union RD over I-75
Fair Condition65 years old1,045 vehicles/day
Location
| State | Michigan |
| County | Bay |
| Location | 3.0 Mi S Of Kawkawlin |
| Carries | N Union RD |
| Crosses | I-75 |
| Coordinates | 43.60941, -83.94762 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 208.0 ft (63.4 m) |
| Max Span | 70.9 ft (21.6 m) |
| Deck Width | 31.2 ft (9.5 m) |
| Deck Area | 602.3 sq m |
| Main Spans | 4 |
| Year Built | 1961 (reconstructed 2001) |
Traffic
| Avg Daily Traffic | 1,045 (1995) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 6 |
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 | 000000000000628 |