Old Route 3a over Needle Shop Brook
Fair Condition116 years old1 vehicles/day
Location
| State | New Hampshire |
| County | Merrimack |
| Location | 2.41 Km SW Of Hill |
| Carries | Old Route 3a |
| Crosses | Needle Shop Brook |
| Coordinates | 43.52934, -71.69626 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 30.5 ft (9.3 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Width | 26.9 ft (8.2 m) |
| Deck Area | 76.3 sq m |
| Main Spans | 1 |
| Year Built | 1910 |
Traffic
| Avg Daily Traffic | 1 (2023) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | Corps of Engineers |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | CEPNEDNH3310004 |