US 3 over Ammonoosuc River
Fair Condition54 years old5,178 vehicles/day
Location
| State | New Hampshire |
| County | Coos |
| Location | 1.9 Mi Bethlehem Tl |
| Carries | US 3 |
| Crosses | Ammonoosuc River |
| Coordinates | 44.27005, -71.54043 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 165.0 ft (50.3 m) |
| Max Span | 79.4 ft (24.2 m) |
| Deck Width | 57.7 ft (17.6 m) |
| Deck Area | 885.3 sq m |
| Main Spans | 2 |
| Year Built | 1972 (reconstructed 2003) |
Traffic
| Avg Daily Traffic | 5,178 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 003901470005800 |