Nh 4 over Salmon Falls River
Good Condition56 years old10,507 vehicles/day
Location
| State | New Hampshire |
| County | Strafford |
| Location | At Maine State Line |
| Carries | Nh 4 |
| Crosses | Salmon Falls River |
| Coordinates | 43.22719, -70.81151 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 164.0 ft (50 m) |
| Max Span | 80.1 ft (24.4 m) |
| Deck Width | 52.5 ft (16 m) |
| Deck Area | 800 sq m |
| Main Spans | 2 |
| Year Built | 1970 (reconstructed 2011) |
Traffic
| Avg Daily Traffic | 10,507 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 022301160008600 |