Marine City HWY over Marsac Creek Drain
Good Condition80 years old14,000 vehicles/day
Location
| State | Michigan |
| County | St. Clair |
| Location | Sec 32 Casco Twp |
| Carries | Marine City HWY |
| Crosses | Marsac Creek Drain |
| Coordinates | 42.72195, -82.70083 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Single/Spread |
| Total Length | 31.5 ft (9.6 m) |
| Max Span | 29.2 ft (8.9 m) |
| Deck Width | 42.0 ft (12.8 m) |
| Deck Area | 122.9 sq m |
| Main Spans | 1 |
| Year Built | 1946 (reconstructed 2012) |
Traffic
| Avg Daily Traffic | 14,000 (2020) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000010034 |