Second Nh Tpk over Brook
Fair Condition126 years old721 vehicles/day
Location
| State | New Hampshire |
| County | Hillsborough |
| Location | 1.0 Mi Fr Antrim Tl |
| Carries | Second Nh Tpk |
| Crosses | Brook |
| Coordinates | 43.11146, -71.94305 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 7 (Good) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Masonry |
| Design | Culvert |
| Total Length | 29.9 ft (9.1 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Width | 20.0 ft (6.1 m) |
| Deck Area | 55.5 sq m |
| Main Spans | 1 |
| Year Built | 1900 (reconstructed 2001) |
Traffic
| Avg Daily Traffic | 721 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is eligible for the National Register |
| Structure Number | 012200930004400 |