The Old RD over Castaic Crk
PoorLos Angeles County, California · 0.8MI N/O SR-126 HWY · Structure no. 53C1403
- Built
- 1931
- 94 years old
- Condition
- Poor
- inspected April 2024
- Type
- Tee Beam
- Concrete
- Length
- 247 ft
- 7 main spans
- Daily traffic
- 11,505
- 2017 count
- Owner
- County
- County Highway Agency
About this bridge
The Old RD over Castaic Crk is a concrete tee beam carrying The Old RD over Castaic Crk in Los Angeles County, California. It was built in 1931, so it is 94 years old, older 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 11,505 vehicles a day, roughly 3% of them trucks, projected to reach 13,230 by 2043. The structure is 247 ft (75.3 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was The Old RD over Castaic Crk built?
It was built in 1931, making it 94 years old in 2025.
What condition is The Old RD over Castaic Crk 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 April 2024.
How much traffic does The Old RD over Castaic Crk carry?
About 11,505 vehicles per day (2017 count), of which roughly 3% are trucks.
How long is The Old RD over Castaic Crk?
The structure is 247 ft (75.3 m) long with a longest span of 35 ft (10.7 m) and a deck 38 ft wide.
Who owns The Old RD over Castaic Crk?
It is owned by the County Highway Agency.