Spring Road over Nubanusit Brook
Fair Condition86 years old214 vehicles/day
Location
| State | New Hampshire |
| County | Hillsborough |
| Location | 0.2 Mi Fr Dublin Tl |
| Carries | Spring Road |
| Crosses | Nubanusit Brook |
| Coordinates | 42.90962, -71.99611 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 66.9 ft (20.4 m) |
| Max Span | 28.9 ft (8.8 m) |
| Deck Width | 25.9 ft (7.9 m) |
| Deck Area | 161.2 sq m |
| Main Spans | 2 |
| Year Built | 1940 (reconstructed 1997) |
Traffic
| Avg Daily Traffic | 214 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 020800500014100 |