Us302 Nh 10 over Ammonoosuc River
Fair Condition46 years old4,777 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | 2.9 Mi Landaff Tl |
| Carries | Us302 Nh 10 |
| Crosses | Ammonoosuc River |
| Coordinates | 44.23797, -71.88016 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 8 (Very Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 304.1 ft (92.7 m) |
| Max Span | 113.8 ft (34.7 m) |
| Deck Width | 46.6 ft (14.2 m) |
| Deck Area | 1316.3 sq m |
| Main Spans | 3 |
| Year Built | 1980 (reconstructed 2009) |
Traffic
| Avg Daily Traffic | 4,777 (2023) |
| Truck Traffic | 7% |
| 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 | 015000940011400 |