N Dorchester Road over Rocky Brook
Good Condition51 years old45 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | 1.8 Mi Wentworth Tl |
| Carries | N Dorchester Road |
| Crosses | Rocky Brook |
| Coordinates | 43.80248, -71.97103 |
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 | 29.9 ft (9.1 m) |
| Max Span | 24.9 ft (7.6 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 89.2 sq m |
| Main Spans | 1 |
| Year Built | 1975 |
Traffic
| Avg Daily Traffic | 45 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 006401090015100 |