Nh 77 over Canal 2 Choate Bk
Fair Condition66 years old4,701 vehicles/day
Location
| State | New Hampshire |
| County | Hillsborough |
| Location | 1.0 Mi W Dunbarton T.l. |
| Carries | Nh 77 |
| Crosses | Canal 2 Choate Bk |
| Coordinates | 43.13849, -71.68034 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 453.1 ft (138.1 m) |
| Max Span | 182.1 ft (55.5 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 1353.4 sq m |
| Main Spans | 3 |
| Year Built | 1960 |
Traffic
| Avg Daily Traffic | 4,701 (2023) |
| Truck Traffic | 4% |
| 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 | 026701590017800 |