Marine City HWY over Unnamed Creek
Good Condition80 years old11,741 vehicles/day
Location
| State | Michigan |
| County | St. Clair |
| Location | Sec 34 Casco Twp |
| Carries | Marine City HWY |
| Crosses | Unnamed Creek |
| Coordinates | 42.72314, -82.66714 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 24.9 ft (7.6 m) |
| Max Span | 22.6 ft (6.9 m) |
| Deck Width | 41.3 ft (12.6 m) |
| Deck Area | 95.8 sq m |
| Main Spans | 1 |
| Year Built | 1946 (reconstructed 2017) |
Traffic
| Avg Daily Traffic | 11,741 (2015) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000010035 |