Roberts Road over Marine City Dredge Cut
Fair Condition44 years old450 vehicles/day
Location
| State | Michigan |
| County | St. Clair |
| Location | Pc 191-318 Cottrellville |
| Carries | Roberts Road |
| Crosses | Marine City Dredge Cut |
| Coordinates | 42.66401, -82.52944 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Box Beam - Multiple |
| Total Length | 40.0 ft (12.2 m) |
| Max Span | 38.1 ft (11.6 m) |
| Deck Width | 30.8 ft (9.4 m) |
| Deck Area | 114.7 sq m |
| Main Spans | 1 |
| Year Built | 1982 |
Traffic
| Avg Daily Traffic | 450 (1994) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000010156 |