M-29 over Belle River
Fair Condition88 years old7,474 vehicles/day
Location
| State | Michigan |
| County | St. Clair |
| Location | In Marine City |
| Carries | M-29 |
| Crosses | Belle River |
| Coordinates | 42.72113, -82.49644 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 93.8 ft (28.6 m) |
| Max Span | 35.8 ft (10.9 m) |
| Deck Width | 40.4 ft (12.3 m) |
| Deck Area | 351.8 sq m |
| Main Spans | 3 |
| Year Built | 1938 (reconstructed 1981) |
Traffic
| Avg Daily Traffic | 7,474 (2007) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
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 | 000000000009976 |