Bunker Hill Road over Needle Shop Brook
Good Condition66 years old112 vehicles/day
Location
| State | New Hampshire |
| County | Merrimack |
| Location | 2.1 Mi Fr |
| Carries | Bunker Hill Road |
| Crosses | Needle Shop Brook |
| Coordinates | 43.52237, -71.73161 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 24.9 ft (7.6 m) |
| Max Span | 23.0 ft (7 m) |
| Deck Width | 25.9 ft (7.9 m) |
| Deck Area | 60.0 sq m |
| Main Spans | 1 |
| Year Built | 1960 (reconstructed 2020) |
Traffic
| Avg Daily Traffic | 112 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 012301400009900 |