Nh 49 over Mad River
Poor Condition47 years old2,828 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | 1.9 Mi SW Waterville T L |
| Carries | Nh 49 |
| Crosses | Mad River |
| Coordinates | 43.88181, -71.59611 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 540.0 ft (164.6 m) |
| Max Span | 129.9 ft (39.6 m) |
| Deck Width | 39.4 ft (12 m) |
| Deck Area | 1975.2 sq m |
| Main Spans | 5 |
| Year Built | 1979 |
Traffic
| Avg Daily Traffic | 2,828 (2023) |
| Truck Traffic | 4% |
| 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 | 025402390015200 |