Mast Road over Huron River
Fair Condition50 years old10,929 vehicles/day
Location
| State | Michigan |
| County | Washtenaw |
| Location | Webster Twp Sec 31 |
| Carries | Mast Road |
| Crosses | Huron River |
| Coordinates | 42.34134, -83.87962 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 183.1 ft (55.8 m) |
| Max Span | 61.0 ft (18.6 m) |
| Deck Width | 59.4 ft (18.1 m) |
| Deck Area | 1010.0 sq m |
| Main Spans | 3 |
| Year Built | 1976 |
Traffic
| Avg Daily Traffic | 10,929 (2020) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000010996 |