M-64 & M-38 over Ontonagon R River RD Rr
Fair Condition21 years old3,625 vehicles/day
Location
| State | Michigan |
| County | Ontonagon |
| Location | Ontonagon |
| Carries | M-64 & M-38 |
| Crosses | Ontonagon R River RD Rr |
| Coordinates | 46.86677, -89.31505 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 1696.5 ft (517.1 m) |
| Max Span | 130.6 ft (39.8 m) |
| Deck Width | 57.1 ft (17.4 m) |
| Deck Area | 8997.5 sq m |
| Main Spans | 13 |
| Year Built | 2005 |
Traffic
| Avg Daily Traffic | 3,625 (2007) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000013265 |