M-29 over Salt River
Fair Condition54 years old37,832 vehicles/day
Location
| State | Michigan |
| County | Macomb |
| Location | 0.7 Mi W Of New Baltimore |
| Carries | M-29 |
| Crosses | Salt River |
| Coordinates | 42.67561, -82.77089 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 97.8 ft (29.8 m) |
| Max Span | 31.2 ft (9.5 m) |
| Deck Width | 78.4 ft (23.9 m) |
| Deck Area | 712.2 sq m |
| Main Spans | 3 |
| Year Built | 1972 (reconstructed 2008) |
Traffic
| Avg Daily Traffic | 37,832 (2007) |
| Truck Traffic | 2% |
| Lanes On Bridge | 5 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000006127 |