US 1 over Piscataqua River
Good Condition105 years old9,471 vehicles/day
Location
| State | New Hampshire |
| County | Rockingham |
| Location | Nh-maine Sl |
| Carries | US 1 |
| Crosses | Piscataqua River |
| Coordinates | 43.07961, -70.75255 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Movable - Lift |
| Total Length | 902.6 ft (275.1 m) |
| Max Span | 296.9 ft (90.5 m) |
| Deck Width | 46.3 ft (14.1 m) |
| Deck Area | 3878.9 sq m |
| Main Spans | 3 |
| Year Built | 1921 (reconstructed 2013) |
Traffic
| Avg Daily Traffic | 9,471 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is eligible for the National Register |
| Structure Number | 021702470008400 |