Gratiot over Canal
Good Condition71 years old9,072 vehicles/day
Location
| State | Michigan |
| County | St. Clair |
| Location | In Port Huron |
| Carries | Gratiot |
| Crosses | Canal |
| Coordinates | 43.02390, -82.43438 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 53.8 ft (16.4 m) |
| Max Span | 51.8 ft (15.8 m) |
| Deck Width | 56.4 ft (17.2 m) |
| Deck Area | 282.1 sq m |
| Main Spans | 1 |
| Year Built | 1955 |
Traffic
| Avg Daily Traffic | 9,072 (2012) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000010258 |