Nh 1a over Hampton River
Poor Condition77 years old9,402 vehicles/day
Location
| State | New Hampshire |
| County | Rockingham |
| Location | 0.1 Mi From Seabrook Tl |
| Carries | Nh 1a |
| Crosses | Hampton River |
| Coordinates | 42.89641, -70.81639 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 7 (Good) |
| Superstructure | 4 (Poor) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel |
| Design | Movable - Bascule |
| Total Length | 1199.1 ft (365.5 m) |
| Max Span | 94.2 ft (28.7 m) |
| Deck Width | 33.5 ft (10.2 m) |
| Deck Area | 3728.1 sq m |
| Main Spans | 1 |
| Year Built | 1949 (reconstructed 1984) |
Traffic
| Avg Daily Traffic | 9,402 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 8 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is eligible for the National Register |
| Structure Number | 011102350002500 |