Dunn Road over Pigeon River
Fair Condition46 years old130 vehicles/day
Location
| State | Michigan |
| County | Huron |
| Location | Sec. 12 Caseville Twp. |
| Carries | Dunn Road |
| Crosses | Pigeon River |
| Coordinates | 43.90257, -83.25785 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 79.7 ft (24.3 m) |
| Max Span | 38.1 ft (11.6 m) |
| Deck Width | 32.5 ft (9.9 m) |
| Deck Area | 240.6 sq m |
| Main Spans | 2 |
| Year Built | 1980 |
Traffic
| Avg Daily Traffic | 130 (2009) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000003577 |