State Route 126 over Castaic Creek
PoorLos Angeles County, California · 07-LA-126-R4.09 · Structure no. 53 0093
- Built
- 1989
- 36 years old, rebuilt 1998
- Condition
- Poor
- inspected October 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 474 ft
- 6 main spans
- Daily traffic
- 37,500
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 126 over Castaic Creek is a prestressed concrete continuous box beam or girders - multiple carrying State Route 126 over Castaic Creek in Los Angeles County, California. It was built in 1989 and reconstructed in 1998, so it is 36 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 37,500 vehicles a day, roughly 8% of them trucks, projected to reach 69,766 by 2042. The structure is 474 ft (144.5 m) long and 85 ft wide. If it were closed, the detour would be 49.7 mi (80 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 126 over Castaic Creek built?
It was built in 1989, making it 36 years old in 2025. It was reconstructed in 1998.
What condition is State Route 126 over Castaic Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.
How much traffic does State Route 126 over Castaic Creek carry?
About 37,500 vehicles per day (2018 count), of which roughly 8% are trucks.
How long is State Route 126 over Castaic Creek?
The structure is 474 ft (144.5 m) long with a longest span of 86 ft (26.2 m) and a deck 85 ft wide.
Who owns State Route 126 over Castaic Creek?
It is owned by the State Highway Agency.