Brook Road over Brock Brook
Fair Condition96 years old96 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | 0.3 Mi Fr Shin Valley RD |
| Carries | Brook Road |
| Crosses | Brock Brook |
| Coordinates | 43.63942, -71.84884 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 41.7 ft (12.7 m) |
| Max Span | 35.1 ft (10.7 m) |
| Deck Width | 21.7 ft (6.6 m) |
| Deck Area | 83.8 sq m |
| Main Spans | 1 |
| Year Built | 1930 (reconstructed 2004) |
Traffic
| Avg Daily Traffic | 96 (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 possibly eligible (requires evaluation) |
| Structure Number | 000301000011600 |