I-75 SB over Gtw Rr
Good Condition64 years old36,813 vehicles/day
Location
| State | Michigan |
| County | Oakland |
| Location | 5.7 Mi NW Of M-59 |
| Carries | I-75 SB |
| Crosses | Gtw Rr |
| Coordinates | 42.70278, -83.28708 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 144.0 ft (43.9 m) |
| Max Span | 47.9 ft (14.6 m) |
| Deck Width | 62.3 ft (19 m) |
| Deck Area | 834.1 sq m |
| Main Spans | 3 |
| Year Built | 1962 |
Traffic
| Avg Daily Traffic | 36,813 (2019) |
| Truck Traffic | 5% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000007997 |