Audubon Drive over Unnamed Canal
Fair Condition36 years old690 vehicles/day
Location
| State | Michigan |
| County | St. Clair |
| Location | Sec 1 Clay Twp |
| Carries | Audubon Drive |
| Crosses | Unnamed Canal |
| Coordinates | 42.63315, -82.61658 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 59.7 ft (18.2 m) |
| Max Span | 55.8 ft (17 m) |
| Deck Width | 30.8 ft (9.4 m) |
| Deck Area | 171.1 sq m |
| Main Spans | 1 |
| Year Built | 1990 |
Traffic
| Avg Daily Traffic | 690 (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 | 000000000010140 |