M-29 over Swan Creek
Fair Condition94 years old14,431 vehicles/day
Location
| State | Michigan |
| County | St. Clair |
| Location | 3.9 Mi SE Of Macomb Col |
| Carries | M-29 |
| Crosses | Swan Creek |
| Coordinates | 42.68029, -82.65778 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 58.1 ft (17.7 m) |
| Max Span | 54.5 ft (16.6 m) |
| Deck Width | 54.5 ft (16.6 m) |
| Deck Area | 293.8 sq m |
| Main Spans | 1 |
| Year Built | 1932 (reconstructed 1973) |
Traffic
| Avg Daily Traffic | 14,431 (2007) |
| Truck Traffic | 2% |
| Lanes On Bridge | 4 |
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 | 000000000009968 |