State Route 57 over Cienega Avenue
GoodLos Angeles County, California · 07-LA-057-R10.53-SDMS · Structure no. 53 1969
- Built
- 1971
- 54 years old
- Condition
- Good
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 157 ft
- 1 main span
- Daily traffic
- 149,000
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 57 over Cienega Avenue is a prestressed concrete box beam or girders - multiple carrying State Route 57 over Cienega Avenue in Los Angeles County, California. It was built in 1971, so it is 54 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 149,000 vehicles a day, roughly 5% of them trucks, projected to reach 146,359 by 2045. The structure is 157 ft (47.9 m) long and 156 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 57 over Cienega Avenue built?
It was built in 1971, making it 54 years old in 2025.
What condition is State Route 57 over Cienega Avenue 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 State Route 57 over Cienega Avenue carry?
About 149,000 vehicles per day (2022 count), of which roughly 5% are trucks.
How long is State Route 57 over Cienega Avenue?
The structure is 157 ft (47.9 m) long with a longest span of 155 ft (47.2 m) and a deck 156 ft wide.
Who owns State Route 57 over Cienega Avenue?
It is owned by the State Highway Agency.