Base Station Road over Ammonoosuc River
Fair Condition89 years old1,793 vehicles/day
Location
| State | New Hampshire |
| County | Coos |
| Location | 4.3 Mi NE Us302 |
| Carries | Base Station Road |
| Crosses | Ammonoosuc River |
| Coordinates | 44.26286, -71.38499 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 4 (Poor) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 62.0 ft (18.9 m) |
| Max Span | 59.1 ft (18 m) |
| Deck Width | 27.6 ft (8.4 m) |
| Deck Area | 158.8 sq m |
| Main Spans | 1 |
| Year Built | 1937 |
Traffic
| Avg Daily Traffic | 1,793 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 005550900018200 |