Us302 Nh 10 over Ammonoosuc River
Good Condition43 years old3,265 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | 2.9 Mi From Carroll Tl |
| Carries | Us302 Nh 10 |
| Crosses | Ammonoosuc River |
| Coordinates | 44.27293, -71.63237 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 400.9 ft (122.2 m) |
| Max Span | 148.0 ft (45.1 m) |
| Deck Width | 51.5 ft (15.7 m) |
| Deck Area | 1918.5 sq m |
| Main Spans | 3 |
| Year Built | 1983 |
Traffic
| Avg Daily Traffic | 3,265 (2023) |
| Truck Traffic | 7% |
| 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 | 002401250017700 |