Nh175 over Eastman Brook
Good Condition53 years old183 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | .2 Mi From Thornton Tl |
| Carries | Nh175 |
| Crosses | Eastman Brook |
| Coordinates | 43.96884, -71.67358 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Frame |
| Total Length | 57.1 ft (17.4 m) |
| Max Span | 49.9 ft (15.2 m) |
| Deck Width | 30.8 ft (9.4 m) |
| Deck Area | 163.6 sq m |
| Main Spans | 1 |
| Year Built | 1973 (reconstructed 2009) |
Traffic
| Avg Daily Traffic | 183 (2023) |
| Truck Traffic | 10% |
| 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 | 028402050007800 |