Brook Road over Brock Brook
Good Condition22 years old56 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | 0.8 Mi Fr Shin Valley RD |
| Carries | Brook Road |
| Crosses | Brock Brook |
| Coordinates | 43.64437, -71.84198 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 5 (Fair) |
| Culvert | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 31.8 ft (9.7 m) |
| Max Span | 31.8 ft (9.7 m) |
| Deck Area | 56.3 sq m |
| Main Spans | 1 |
| Year Built | 2004 |
Traffic
| Avg Daily Traffic | 56 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000301020012500 |