San Dimas Cyn RD over San Dimas Wash
GoodLos Angeles County, California · 0.2MI N/O E Foothill Blv · Structure no. 53C1555
- Built
- 1976
- 49 years old
- Condition
- Good
- inspected January 2023
- Type
- Culvert
- Concrete
- Length
- 42 ft
- 4 main spans
- Daily traffic
- 6,489
- 2017 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
San Dimas Cyn RD over San Dimas Wash is a concrete culvert carrying San Dimas Cyn RD over San Dimas Wash in Los Angeles County, California. It was built in 1976, so it is 49 years old, younger 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 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 6,489 vehicles a day, roughly 1% of them trucks, projected to reach 7,462 by 2042. The structure is 42 ft (12.8 m) long and 80 ft wide. If it were closed, the detour would be 1.2 mi (2 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was San Dimas Cyn RD over San Dimas Wash built?
It was built in 1976, making it 49 years old in 2025.
What condition is San Dimas Cyn RD over San Dimas Wash 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 January 2023.
How much traffic does San Dimas Cyn RD over San Dimas Wash carry?
About 6,489 vehicles per day (2017 count), of which roughly 1% are trucks.
How long is San Dimas Cyn RD over San Dimas Wash?
The structure is 42 ft (12.8 m) long with a longest span of 8 ft (2.4 m) and a deck 80 ft wide.
Who owns San Dimas Cyn RD over San Dimas Wash?
It is owned by the City or Municipal Highway Agency.