Horse Mill Road over Thorofare Canal
Fair Condition89 years old1,338 vehicles/day
Location
| State | Michigan |
| County | Wayne |
| Location | Grosse Ile E/meridian |
| Carries | Horse Mill Road |
| Crosses | Thorofare Canal |
| Coordinates | 42.16309, -83.14811 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 82.0 ft (25 m) |
| Max Span | 78.1 ft (23.8 m) |
| Deck Width | 45.9 ft (14 m) |
| Deck Area | 350 sq m |
| Main Spans | 1 |
| Year Built | 1937 (reconstructed 2000) |
Traffic
| Avg Daily Traffic | 1,338 (2001) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000012271 |