Twin Bridge Road over Mid Br Piscataquog River
Good Condition27 years old96 vehicles/day
Location
| State | New Hampshire |
| County | Hillsborough |
| Location | 0.3 Mi Fr New Boston Tl |
| Carries | Twin Bridge Road |
| Crosses | Mid Br Piscataquog River |
| Coordinates | 43.02992, -71.67563 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 49.9 ft (15.2 m) |
| Max Span | 45.9 ft (14 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 138.3 sq m |
| Main Spans | 1 |
| Year Built | 1999 |
Traffic
| Avg Daily Traffic | 96 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 026701330002600 |