18 1/2 Mile Road over I-94
Fair Condition66 years old410 vehicles/day
Location
| State | Michigan |
| County | Calhoun |
| Location | 3.4 Mi E Of I-69 |
| Carries | 18 1/2 Mile Road |
| Crosses | I-94 |
| Coordinates | 42.28222, -84.93637 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Tee Beam |
| Total Length | 227.0 ft (69.2 m) |
| Max Span | 70.9 ft (21.6 m) |
| Deck Width | 31.2 ft (9.5 m) |
| Deck Area | 657.4 sq m |
| Main Spans | 4 |
| Year Built | 1960 |
Traffic
| Avg Daily Traffic | 410 (1974) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000001277 |