Us302 Nh 10 Nh 18 over Ammonoosuc River
Good Condition76 years old7,962 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | 3.9 Mi Lisbon Tl |
| Carries | Us302 Nh 10 Nh 18 |
| Crosses | Ammonoosuc River |
| Coordinates | 44.30538, -71.77003 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 154.9 ft (47.2 m) |
| Max Span | 71.9 ft (21.9 m) |
| Deck Width | 55.4 ft (16.9 m) |
| Deck Area | 797.7 sq m |
| Main Spans | 2 |
| Year Built | 1950 (reconstructed 1987) |
Traffic
| Avg Daily Traffic | 7,962 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 015302130005400 |