Martin Road over I-69
Fair Condition48 years old260 vehicles/day
Location
| State | Michigan |
| County | St. Clair |
| Location | 2.1 Mi SW Of Capac |
| Carries | Martin Road |
| Crosses | I-69 |
| Coordinates | 42.99334, -82.96748 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 278.5 ft (84.9 m) |
| Max Span | 141.7 ft (43.2 m) |
| Deck Width | 39.7 ft (12.1 m) |
| Deck Area | 1027.3 sq m |
| Main Spans | 2 |
| Year Built | 1978 |
Traffic
| Avg Daily Traffic | 260 (1995) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000009947 |