Bridge Road over Blackwater River
Poor Condition144 years old96 vehicles/day
Location
| State | New Hampshire |
| County | Merrimack |
| Location | 0.1 Mi S Nh 11 |
| Carries | Bridge Road |
| Crosses | Blackwater River |
| Coordinates | 43.43498, -71.83616 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 4 (Poor) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Wood or Timber |
| Design | Truss - Thru |
| Total Length | 65.0 ft (19.8 m) |
| Max Span | 51.8 ft (15.8 m) |
| Deck Width | 19.0 ft (5.8 m) |
| Deck Area | 114.8 sq m |
| Main Spans | 1 |
| Year Built | 1882 |
Traffic
| Avg Daily Traffic | 96 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 16 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is eligible for the National Register |
| Structure Number | 000800830009800 |