I-475 over Detroit ST
Good Condition55 years old23,600 vehicles/day
Location
| State | Michigan |
| County | Genesee |
| Location | 3.0 Mi E Of N Jct I-75 |
| Carries | I-475 |
| Crosses | Detroit ST |
| Coordinates | 43.09966, -83.70791 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 111.9 ft (34.1 m) |
| Max Span | 45.3 ft (13.8 m) |
| Deck Width | 99.7 ft (30.4 m) |
| Deck Area | 1036.6 sq m |
| Main Spans | 3 |
| Year Built | 1971 |
Traffic
| Avg Daily Traffic | 23,600 (2016) |
| Truck Traffic | 7% |
| Lanes On Bridge | 6 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000002686 |