M-60 over Portage River
Fair Condition101 years old4,978 vehicles/day
Location
| State | Michigan |
| County | St. Joseph |
| Location | In Three Rivers (e Mich) |
| Carries | M-60 |
| Crosses | Portage River |
| Coordinates | 41.94442, -85.63133 |
Condition Ratings
| Overall Condition | Fair |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Arch - Deck |
| Total Length | 55.8 ft (17 m) |
| Max Span | 27.9 ft (8.5 m) |
| Deck Width | 65.9 ft (20.1 m) |
| Deck Area | 341.7 sq m |
| Main Spans | 2 |
| Year Built | 1925 |
Traffic
| Avg Daily Traffic | 4,978 (2007) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000010272 |