Twin Bridge Road over Mid Br Piscataquog River
GoodHillsborough County, New Hampshire · 0.3 MI FR New Boston Tl · Structure no. 026701330002600
- Built
- 1999
- 26 years old
- Condition
- Good
- inspected August 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 50 ft
- 1 main span
- Daily traffic
- 96
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Twin Bridge Road over Mid Br Piscataquog River is a prestressed concrete slab carrying Twin Bridge Road over Mid Br Piscataquog River in Hillsborough County, New Hampshire. It was built in 1999, so it is 26 years old, younger than the New Hampshire average of 56.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 96 vehicles a day, roughly 4% of them trucks, projected to reach 142 by 2043. The structure is 50 ft (15.2 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Twin Bridge Road over Mid Br Piscataquog River built?
It was built in 1999, making it 26 years old in 2025.
What condition is Twin Bridge Road over Mid Br Piscataquog River in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.
How much traffic does Twin Bridge Road over Mid Br Piscataquog River carry?
About 96 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Twin Bridge Road over Mid Br Piscataquog River?
The structure is 50 ft (15.2 m) long with a longest span of 46 ft (14 m) and a deck 30 ft wide.
Who owns Twin Bridge Road over Mid Br Piscataquog River?
It is owned by the City or Municipal Highway Agency.