US302 over Stony Brook
GoodCarroll County, New Hampshire · 0.3 MI from Bartlett Tl · Structure no. 011602560006900
- Built
- 1939
- 86 years old, rebuilt 2003
- Condition
- Good
- inspected June 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 26 ft
- 1 main span
- Daily traffic
- 1,978
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US302 over Stony Brook is a prestressed concrete box beam or girders - multiple carrying US302 over Stony Brook in Carroll County, New Hampshire. It was built in 1939 and reconstructed in 2003, so it is 86 years old, older 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 1,978 vehicles a day, roughly 2% of them trucks, projected to reach 2,927 by 2043. The structure is 26 ft (7.9 m) long and 36 ft wide. If it were closed, the detour would be 47.8 mi (77 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 | 7 Good | Some minor problems. |
| 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 US302 over Stony Brook built?
It was built in 1939, making it 86 years old in 2025. It was reconstructed in 2003.
What condition is US302 over Stony Brook 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 June 2023.
How much traffic does US302 over Stony Brook carry?
About 1,978 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is US302 over Stony Brook?
The structure is 26 ft (7.9 m) long with a longest span of 23 ft (7 m) and a deck 36 ft wide.
Who owns US302 over Stony Brook?
It is owned by the State Highway Agency.