Mason Street over Canal
Fair Condition59 years old3,538 vehicles/day
Location
| State | New Hampshire |
| County | Coos |
| Location | 610ft West Of Unity ST |
| Carries | Mason Street |
| Crosses | Canal |
| Coordinates | 44.46970, -71.17926 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| 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 | 58.1 ft (17.7 m) |
| Deck Width | 37.1 ft (11.3 m) |
| Deck Area | 417.0 sq m |
| Main Spans | 2 |
| Year Built | 1967 (reconstructed 1977) |
Traffic
| Avg Daily Traffic | 3,538 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 002302380005500 |