Nh 28 S Willow ST over Cohas Brook
Fair Condition37 years old16,239 vehicles/day
Location
| State | New Hampshire |
| County | Hillsborough |
| Location | 1.2 Mi N Londonderry Tl |
| Carries | Nh 28 S Willow ST |
| Crosses | Cohas Brook |
| Coordinates | 42.94702, -71.43330 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 7 (Good) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 37.1 ft (11.3 m) |
| Max Span | 32.2 ft (9.8 m) |
| Deck Area | 96.0 sq m |
| Main Spans | 1 |
| Year Built | 1989 |
Traffic
| Avg Daily Traffic | 16,239 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 5 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 016101900010000 |