M-55 EB Ramp over I-75 NB
Fair Condition55 years old7,828 vehicles/day
Location
| State | Michigan |
| County | Roscommon |
| Location | 0.4 Mi N Of Maple Valley |
| Carries | M-55 EB Ramp |
| Crosses | I-75 NB |
| Coordinates | 44.31420, -84.50399 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 452.8 ft (138 m) |
| Max Span | 128.0 ft (39 m) |
| Deck Width | 29.5 ft (9 m) |
| Deck Area | 1,242 sq m |
| Main Spans | 5 |
| Year Built | 1971 |
Traffic
| Avg Daily Traffic | 7,828 (2023) |
| Truck Traffic | 8% |
| Lanes On Bridge | 1 |
| Lanes Under Bridge | 4 |
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 | 000000000009021 |