Black Hall Road over Little Suncook River
Fair Condition102 years old2,133 vehicles/day
Location
| State | New Hampshire |
| County | Merrimack |
| Location | .09 Mi SW Jct Us4 |
| Carries | Black Hall Road |
| Crosses | Little Suncook River |
| Coordinates | 43.22398, -71.34636 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 41.0 ft (12.5 m) |
| Max Span | 37.1 ft (11.3 m) |
| Deck Width | 27.6 ft (8.4 m) |
| Deck Area | 105 sq m |
| Main Spans | 1 |
| Year Built | 1924 |
Traffic
| Avg Daily Traffic | 2,133 (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 possibly eligible (requires evaluation) |
| Structure Number | 007900970012200 |