Bohannon Bridge RD over Nissitissit River
Good Condition86 years old524 vehicles/day
Location
| State | New Hampshire |
| County | Hillsborough |
| Location | 0.99 Mi From Mass. Sl |
| Carries | Bohannon Bridge RD |
| Crosses | Nissitissit River |
| Coordinates | 42.71688, -71.65048 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 34.1 ft (10.4 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Width | 20.0 ft (6.1 m) |
| Deck Area | 63.4 sq m |
| Main Spans | 1 |
| Year Built | 1940 (reconstructed 1998) |
Traffic
| Avg Daily Traffic | 524 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 003401050005500 |