M-29 over Coxs Drain
Fair Condition74 years old5,939 vehicles/day
Location
| State | Michigan |
| County | St. Clair |
| Location | In Algonac |
| Carries | M-29 |
| Crosses | Coxs Drain |
| Coordinates | 42.62627, -82.52391 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Single/Spread |
| Total Length | 25.6 ft (7.8 m) |
| Max Span | 24.3 ft (7.4 m) |
| Deck Width | 56.4 ft (17.2 m) |
| Deck Area | 134.2 sq m |
| Main Spans | 1 |
| Year Built | 1952 (reconstructed 1997) |
Traffic
| Avg Daily Traffic | 5,939 (2007) |
| Truck Traffic | 3% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000009970 |