Nh 3a over Needle Shop Brook
Fair Condition86 years old2,664 vehicles/day
Location
| State | New Hampshire |
| County | Merrimack |
| Location | 1.4 Mi From Franklin |
| Carries | Nh 3a |
| Crosses | Needle Shop Brook |
| Coordinates | 43.52798, -71.71537 |
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 | Concrete |
| Design | Frame |
| Total Length | 25.9 ft (7.9 m) |
| Max Span | 22.0 ft (6.7 m) |
| Deck Width | 41.0 ft (12.5 m) |
| Deck Area | 98.8 sq m |
| Main Spans | 1 |
| Year Built | 1940 |
Traffic
| Avg Daily Traffic | 2,664 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is eligible for the National Register |
| Structure Number | 012301570010800 |