Old M-76 over Au Sable River
Fair Condition77 years old1,543 vehicles/day
Location
| State | Michigan |
| County | Roscommon |
| Location | Section 5 T23n R1w |
| Carries | Old M-76 |
| Crosses | Au Sable River |
| Coordinates | 44.41269, -84.46326 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 40.0 ft (12.2 m) |
| Max Span | 38.7 ft (11.8 m) |
| Deck Width | 47.2 ft (14.4 m) |
| Deck Area | 175.7 sq m |
| Main Spans | 1 |
| Year Built | 1949 |
Traffic
| Avg Daily Traffic | 1,543 (2021) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000009034 |