Nh 31 over Contoocook River
Fair Condition92 years old1,693 vehicles/day
Location
| State | New Hampshire |
| County | Hillsborough |
| Location | 1.24 Mi. NE Hancock Tl |
| Carries | Nh 31 |
| Crosses | Contoocook River |
| Coordinates | 43.00143, -71.92562 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Frame |
| Total Length | 88.9 ft (27.1 m) |
| Max Span | 80.1 ft (24.4 m) |
| Deck Width | 34.1 ft (10.4 m) |
| Deck Area | 281.8 sq m |
| Main Spans | 1 |
| Year Built | 1934 |
Traffic
| Avg Daily Traffic | 1,693 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is eligible for the National Register |
| Structure Number | 002100960008700 |