Nh142 over Ammonoosuc River
Poor Condition99 years old1,167 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | 2.2 Mi From Whitefield Tl |
| Carries | Nh142 |
| Crosses | Ammonoosuc River |
| Coordinates | 44.29382, -71.65763 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 4 (Poor) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Truss - Thru |
| Total Length | 124.0 ft (37.8 m) |
| Max Span | 117.1 ft (35.7 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 275.9 sq m |
| Main Spans | 1 |
| Year Built | 1927 (reconstructed 1998) |
Traffic
| Avg Daily Traffic | 1,167 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 8 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 002400990015200 |