Sewalls Falls Road over Merrimack River
Good Condition10 years old3,708 vehicles/day
Location
| State | New Hampshire |
| County | Merrimack |
| Location | 0.3 Mi Jct RTE 132 |
| Carries | Sewalls Falls Road |
| Crosses | Merrimack River |
| Coordinates | 43.27118, -71.56469 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 407.2 ft (124.1 m) |
| Max Span | 145.0 ft (44.2 m) |
| Deck Width | 40.0 ft (12.2 m) |
| Deck Area | 1514.0 sq m |
| Main Spans | 3 |
| Year Built | 2016 |
Traffic
| Avg Daily Traffic | 3,708 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 005200700011700 |