Main Street over Contoocook River
Good Condition86 years old6,119 vehicles/day
Location
| State | New Hampshire |
| County | Hillsborough |
| Location | 85 Ft Fr Granite ST |
| Carries | Main Street |
| Crosses | Contoocook River |
| Coordinates | 42.87744, -71.94835 |
Condition Ratings
| Overall Condition | Good |
| Deck | 9 (Excellent) |
| Superstructure | 9 (Excellent) |
| Substructure | 9 (Excellent) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Frame |
| Total Length | 86.0 ft (26.2 m) |
| Max Span | 75.1 ft (22.9 m) |
| Deck Width | 47.9 ft (14.6 m) |
| Deck Area | 382.5 sq m |
| Main Spans | 1 |
| Year Built | 1940 (reconstructed 2022) |
Traffic
| Avg Daily Traffic | 6,119 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is eligible for the National Register |
| Structure Number | 020800920008900 |