Wiswall Road over Lamprey River
GoodStrafford County, New Hampshire · 0.6 Mi. Lee Tl · Structure no. 007000700007300
- Built
- 2010
- 15 years old
- Condition
- Good
- inspected September 2023
- Type
- Box Beam or Girders - Multiple
- Concrete
- Length
- 112 ft
- 1 main span
- Daily traffic
- 259
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Wiswall Road over Lamprey River is a concrete box beam or girders - multiple carrying Wiswall Road over Lamprey River in Strafford County, New Hampshire. It was built in 2010, so it is 15 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 259 vehicles a day, roughly 4% of them trucks, projected to reach 383 by 2043. The structure is 112 ft (34.1 m) long and 17 ft wide. If it were closed, the detour would be 5 mi (8 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Wiswall Road over Lamprey River built?
It was built in 2010, making it 15 years old in 2025.
What condition is Wiswall Road over Lamprey 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 September 2023.
How much traffic does Wiswall Road over Lamprey River carry?
About 259 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Wiswall Road over Lamprey River?
The structure is 112 ft (34.1 m) long with a longest span of 108 ft (32.9 m) and a deck 17 ft wide.
Who owns Wiswall Road over Lamprey River?
It is owned by the City or Municipal Highway Agency.