Nh 9 Nh 31 over North Branch River
Fair Condition75 years old7,411 vehicles/day
Location
| State | New Hampshire |
| County | Hillsborough |
| Location | 4.5 Mi From Stoddard Tl |
| Carries | Nh 9 Nh 31 |
| Crosses | North Branch River |
| Coordinates | 43.08139, -71.97060 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 69.9 ft (21.3 m) |
| Max Span | 65.0 ft (19.8 m) |
| Deck Width | 34.1 ft (10.4 m) |
| Deck Area | 221.5 sq m |
| Main Spans | 1 |
| Year Built | 1951 |
Traffic
| Avg Daily Traffic | 7,411 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 000901370014600 |