East Dunbarton RD over Black Brook
Fair Condition32 years old1,591 vehicles/day
Location
| State | New Hampshire |
| County | Hillsborough |
| Location | Town RD |
| Carries | East Dunbarton RD |
| Crosses | Black Brook |
| Coordinates | 43.03645, -71.51160 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 47.9 ft (14.6 m) |
| Max Span | 43.0 ft (13.1 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 106.6 sq m |
| Main Spans | 1 |
| Year Built | 1994 |
Traffic
| Avg Daily Traffic | 1,591 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 009501730013300 |