Mason Road over Nissitissit River
Fair Condition94 years old3,176 vehicles/day
Location
| State | New Hampshire |
| County | Hillsborough |
| Location | .49 Mi NW Jct 13 |
| Carries | Mason Road |
| Crosses | Nissitissit River |
| Coordinates | 42.73566, -71.67148 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Frame |
| Total Length | 57.1 ft (17.4 m) |
| Max Span | 49.9 ft (15.2 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 127.0 sq m |
| Main Spans | 1 |
| Year Built | 1932 |
Traffic
| Avg Daily Traffic | 3,176 (2023) |
| Truck Traffic | 10% |
| 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 | 003400800007800 |