State Route 1 over Las Flores Creek
GoodLos Angeles County, California · 07-LA-001-44.15-MAL · Structure no. 53 0034
- Built
- 1926
- 99 years old, rebuilt 1931
- Condition
- Good
- inspected August 2023
- Type
- Tee Beam
- Concrete
- Length
- 52 ft
- 2 main spans
- Daily traffic
- 43,250
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 1 over Las Flores Creek is a concrete tee beam carrying State Route 1 over Las Flores Creek in Los Angeles County, California. It was built in 1926 and reconstructed in 1931, so it is 99 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 43,250 vehicles a day, roughly 2% of them trucks, projected to reach 47,400 by 2040. The structure is 52 ft (15.8 m) long and 77 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 1 over Las Flores Creek built?
It was built in 1926, making it 99 years old in 2025. It was reconstructed in 1931.
What condition is State Route 1 over Las Flores Creek 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 August 2023.
How much traffic does State Route 1 over Las Flores Creek carry?
About 43,250 vehicles per day (2021 count), of which roughly 2% are trucks.
How long is State Route 1 over Las Flores Creek?
The structure is 52 ft (15.8 m) long with a longest span of 25 ft (7.6 m) and a deck 77 ft wide.
Who owns State Route 1 over Las Flores Creek?
It is owned by the State Highway Agency.