State Route 1 over Ballona Creek
FairLos Angeles County, California · 07-LA-001-30.36-LA · Structure no. 53 0118
- Built
- 1937
- 88 years old
- Condition
- Fair
- inspected July 2023
- Type
- Girder and Floorbeam System
- Steel Continuous
- Length
- 335 ft
- 4 main spans
- Daily traffic
- 50,000
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 1 over Ballona Creek is a steel continuous girder and floorbeam system carrying State Route 1 over Ballona Creek in Los Angeles County, California. It was built in 1937, so it is 88 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 50,000 vehicles a day, roughly 2% of them trucks, projected to reach 91,026 by 2040. The structure is 335 ft (102.1 m) long and 69 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 1 over Ballona Creek built?
It was built in 1937, making it 88 years old in 2025.
What condition is State Route 1 over Ballona Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.
How much traffic does State Route 1 over Ballona Creek carry?
About 50,000 vehicles per day (2021 count), of which roughly 2% are trucks.
How long is State Route 1 over Ballona Creek?
The structure is 335 ft (102.1 m) long with a longest span of 90 ft (27.4 m) and a deck 69 ft wide.
Who owns State Route 1 over Ballona Creek?
It is owned by the State Highway Agency.