Sargent Hill Road over Smith River
GoodGrafton County, New Hampshire · 0.67 Mi. Danbury Tl · Structure no. 009901730007800
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected August 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 35 ft
- 1 main span
- Daily traffic
- 96
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Sargent Hill Road over Smith River is a prestressed concrete box beam or girders - multiple carrying Sargent Hill Road over Smith River in Grafton County, New Hampshire. It was built in 2003, so it is 22 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 96 vehicles a day, roughly 4% of them trucks, projected to reach 142 by 2043. The structure is 35 ft (10.7 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sargent Hill Road over Smith River built?
It was built in 2003, making it 22 years old in 2025.
What condition is Sargent Hill Road over Smith 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 Sargent Hill Road over Smith River carry?
About 96 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Sargent Hill Road over Smith River?
The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10.2 m) and a deck 27 ft wide.
Who owns Sargent Hill Road over Smith River?
It is owned by the City or Municipal Highway Agency.