Northside Road over Upper Ammonoosuc River
Good Condition164 years old379 vehicles/day
Location
| State | New Hampshire |
| County | Coos |
| Location | 234 Ft From Nh110 |
| Carries | Northside Road |
| Crosses | Upper Ammonoosuc River |
| Coordinates | 44.60099, -71.40812 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 131.6 ft (40.1 m) |
| Max Span | 60.7 ft (18.5 m) |
| Deck Width | 16.1 ft (4.9 m) |
| Deck Area | 196.5 sq m |
| Main Spans | 2 |
| Year Built | 1862 (reconstructed 2015) |
Traffic
| Avg Daily Traffic | 379 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is on the National Register of Historic Places |
| Structure Number | 024001150009100 |