Atherton ST over Storm Drn #133
GoodLos Angeles County, California · 30FT W/O Clark Ave · Structure no. 53C0236
- Built
- 1959
- 66 years old
- Condition
- Good
- inspected September 2024
- Type
- Culvert
- Concrete
- Length
- 24 ft
- 2 main spans
- Daily traffic
- 21,200
- 2014 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Atherton ST over Storm Drn #133 is a concrete culvert carrying Atherton ST over Storm Drn #133 in Los Angeles County, California. It was built in 1959, so it is 66 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 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 21,200 vehicles a day, roughly 1% of them trucks, projected to reach 25,440 by 2044. The structure is 24 ft (7.3 m) long and 94 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 | 9 Excellent | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Atherton ST over Storm Drn #133 built?
It was built in 1959, making it 66 years old in 2025.
What condition is Atherton ST over Storm Drn #133 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 Atherton ST over Storm Drn #133 carry?
About 21,200 vehicles per day (2014 count), of which roughly 1% are trucks.
How long is Atherton ST over Storm Drn #133?
The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.4 m) and a deck 94 ft wide.
Who owns Atherton ST over Storm Drn #133?
It is owned by the City or Municipal Highway Agency.