Nh 16trk Unity ST over Androscoggin River
Fair Condition44 years old4,023 vehicles/day
Location
| State | New Hampshire |
| County | Coos |
| Location | 120ft From RTE 16 |
| Carries | Nh 16trk Unity ST |
| Crosses | Androscoggin River |
| Coordinates | 44.46101, -71.18570 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 432.1 ft (131.7 m) |
| Max Span | 162.1 ft (49.4 m) |
| Deck Width | 47.6 ft (14.5 m) |
| Deck Area | 1909.7 sq m |
| Main Spans | 3 |
| Year Built | 1982 |
Traffic
| Avg Daily Traffic | 4,023 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 002302350005200 |