M-64 over Sleepy Creek
Fair Condition66 years old743 vehicles/day
Location
| State | Michigan |
| County | Ontonagon |
| Location | 4.5 Mi N Of M-28 |
| Carries | M-64 |
| Crosses | Sleepy Creek |
| Coordinates | 46.65306, -89.59791 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 43.6 ft (13.3 m) |
| Max Span | 42.7 ft (13 m) |
| Deck Width | 45.3 ft (13.8 m) |
| Deck Area | 183.5 sq m |
| Main Spans | 1 |
| Year Built | 1960 |
Traffic
| Avg Daily Traffic | 743 (2022) |
| Truck Traffic | 33% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000008463 |