Mason Street over Androscoggin River
Fair Condition59 years old3,538 vehicles/day
Location
| State | New Hampshire |
| County | Coos |
| Location | 350ft West Of Unity ST |
| Carries | Mason Street |
| Crosses | Androscoggin River |
| Coordinates | 44.46908, -71.17843 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 121.1 ft (36.9 m) |
| Max Span | 118.1 ft (36 m) |
| Deck Width | 39.0 ft (11.9 m) |
| Deck Area | 439.1 sq m |
| Main Spans | 1 |
| Year Built | 1967 (reconstructed 1977) |
Traffic
| Avg Daily Traffic | 3,538 (2023) |
| Truck Traffic | 5% |
| 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 | 002302390005500 |