I-475 Ramp B over I-75
Poor Condition55 years old11,989 vehicles/day
Location
| State | Michigan |
| County | Genesee |
| Location | N Jct I-75 |
| Carries | I-475 Ramp B |
| Crosses | I-75 |
| Coordinates | 43.09739, -83.76299 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 401.9 ft (122.5 m) |
| Max Span | 149.0 ft (45.4 m) |
| Deck Width | 43.6 ft (13.3 m) |
| Deck Area | 1629.2 sq m |
| Main Spans | 4 |
| Year Built | 1971 (reconstructed 1999) |
Traffic
| Avg Daily Traffic | 11,989 (2007) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 6 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 14 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000002692 |