I-75 NB over Allen RD
Fair Condition60 years old46,853 vehicles/day
Location
| State | Michigan |
| County | Wayne |
| Location | S Lts Of Southgate |
| Carries | I-75 NB |
| Crosses | Allen RD |
| Coordinates | 42.20790, -83.22899 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 218.2 ft (66.5 m) |
| Max Span | 62.0 ft (18.9 m) |
| Deck Width | 54.5 ft (16.6 m) |
| Deck Area | 1103.9 sq m |
| Main Spans | 4 |
| Year Built | 1966 |
Traffic
| Avg Daily Traffic | 46,853 (2015) |
| Truck Traffic | 20% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000011658 |