Mcmasters Bridgerd over Au Sable River
Fair Condition36 years old199 vehicles/day
Location
| State | Michigan |
| County | Crawford |
| Location | 16 Mi E Of Grayling |
| Carries | Mcmasters Bridgerd |
| Crosses | Au Sable River |
| Coordinates | 44.66539, -84.39730 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 91.9 ft (28 m) |
| Max Span | 91.9 ft (28 m) |
| Deck Width | 31.2 ft (9.5 m) |
| Deck Area | 266 sq m |
| Main Spans | 1 |
| Year Built | 1990 |
Traffic
| Avg Daily Traffic | 199 (1990) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000002070 |