Road over Dalton Canyon
GoodClosed to trafficLos Angeles County, California · No Data Entered · Structure no. 050152000001011
- Built
- 1940
- 85 years old, rebuilt 2009
- Condition
- Good
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 27 ft
- 1 main span
- Daily traffic
- 10
- 1997 count
- Owner
- Federal
- U.S. Forest Service
About this bridge
Road over Dalton Canyon is a prestressed concrete box beam or girders - multiple carrying Road over Dalton Canyon in Los Angeles County, California. It was built in 1940 and reconstructed in 2009, so it is 85 years old, older than the California average of 54.8 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. Its operating status is: closed to all traffic.
It carries about 10 vehicles a day, projected to reach 15 by 2045. The structure is 27 ft (8.2 m) long and 16 ft wide. If it were closed, the detour would be 14.9 mi (24 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 | 9 Excellent | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Road over Dalton Canyon built?
It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2009.
What condition is Road over Dalton Canyon 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 2024.
How much traffic does Road over Dalton Canyon carry?
About 10 vehicles per day (1997 count).
How long is Road over Dalton Canyon?
The structure is 27 ft (8.2 m) long with a longest span of 17 ft (5.3 m) and a deck 16 ft wide.
Who owns Road over Dalton Canyon?
It is owned by the U.S. Forest Service.