Duffield Road over Pine River
Fair Condition37 years old106 vehicles/day
Location
| State | Michigan |
| County | Gratiot |
| Location | Sec 33 Sumner Twp |
| Carries | Duffield Road |
| Crosses | Pine River |
| Coordinates | 43.30051, -84.79601 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 99.7 ft (30.4 m) |
| Max Span | 49.9 ft (15.2 m) |
| Deck Width | 30.8 ft (9.4 m) |
| Deck Area | 285.8 sq m |
| Main Spans | 2 |
| Year Built | 1989 |
Traffic
| Avg Daily Traffic | 106 (2004) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000003244 |