Riverside Drive over Stony Brook
Good Condition29 years old1,736 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | .21 Mi. From Jct. US 4 |
| Carries | Riverside Drive |
| Crosses | Stony Brook |
| Coordinates | 43.63626, -72.20955 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 40.0 ft (12.2 m) |
| Max Span | 40.0 ft (12.2 m) |
| Deck Area | 89.1 sq m |
| Main Spans | 1 |
| Year Built | 1997 |
Traffic
| Avg Daily Traffic | 1,736 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
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 | 014401650010900 |