Riverdale Road over Mid Br Piscataquog River
Good Condition11 years old204 vehicles/day
Location
| State | New Hampshire |
| County | Hillsborough |
| Location | 65 Ft Fr Gregg Mill Road |
| Carries | Riverdale Road |
| Crosses | Mid Br Piscataquog River |
| Coordinates | 43.00572, -71.66415 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 67.9 ft (20.7 m) |
| Max Span | 64.0 ft (19.5 m) |
| Deck Width | 26.9 ft (8.2 m) |
| Deck Area | 169.7 sq m |
| Main Spans | 1 |
| Year Built | 2015 |
Traffic
| Avg Daily Traffic | 204 (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 | 017901310014700 |