US 3 over Hubbard Brook
Good Condition55 years old1,291 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | 5.3 Mi. From Campton Tl |
| Carries | US 3 |
| Crosses | Hubbard Brook |
| Coordinates | 43.93269, -71.68515 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Frame |
| Total Length | 50.9 ft (15.5 m) |
| Max Span | 24.0 ft (7.3 m) |
| Deck Width | 46.3 ft (14.1 m) |
| Deck Area | 218.6 sq m |
| Main Spans | 2 |
| Year Built | 1971 |
Traffic
| Avg Daily Traffic | 1,291 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 025401540007500 |