Nh120 over Great Brook
Fair Condition91 years old2,671 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | 2.3 Mi From Plainfield Tl |
| Carries | Nh120 |
| Crosses | Great Brook |
| Coordinates | 43.61967, -72.22509 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Frame |
| Total Length | 40.0 ft (12.2 m) |
| Max Span | 35.1 ft (10.7 m) |
| Deck Width | 35.8 ft (10.9 m) |
| Deck Area | 133.0 sq m |
| Main Spans | 1 |
| Year Built | 1935 |
Traffic
| Avg Daily Traffic | 2,671 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 014401490008600 |