US 4 over Oyster River
Fair Condition97 years old18,654 vehicles/day
Location
| State | New Hampshire |
| County | Strafford |
| Location | .2 Mi From Jct RT 25 |
| Carries | US 4 |
| Crosses | Oyster River |
| Coordinates | 43.14847, -71.00045 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Frame |
| Total Length | 24.0 ft (7.3 m) |
| Max Span | 21.0 ft (6.4 m) |
| Deck Width | 47.9 ft (14.6 m) |
| Deck Area | 106.6 sq m |
| Main Spans | 1 |
| Year Built | 1929 (reconstructed 2012) |
Traffic
| Avg Daily Traffic | 18,654 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 014501060012600 |