Nh 49 over High Brook
Good Condition59 years old2,074 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | 2.4 Mi. NE Thornton Tl |
| Carries | Nh 49 |
| Crosses | High Brook |
| Coordinates | 43.92119, -71.54147 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 23.0 ft (7 m) |
| Max Span | 20.0 ft (6.1 m) |
| Deck Width | 33.8 ft (10.3 m) |
| Deck Area | 72.1 sq m |
| Main Spans | 1 |
| Year Built | 1967 |
Traffic
| Avg Daily Traffic | 2,074 (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 possibly eligible (requires evaluation) |
| Structure Number | 026600960007100 |