The Old RD over Santa Clara Riv
PoorLos Angeles County, California · 0.3MI N/O Magic Mtn Pkwy · Structure no. 53C0327
- Built
- 1928
- 97 years old
- Condition
- Poor
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 412 ft
- 5 main spans
- Daily traffic
- 30,894
- 2017 count
- Owner
- County
- County Highway Agency
About this bridge
The Old RD over Santa Clara Riv is a steel stringer/multi-beam or girder carrying The Old RD over Santa Clara Riv in Los Angeles County, California. It was built in 1928, so it is 97 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 30,894 vehicles a day, roughly 10% of them trucks, projected to reach 37,072 by 2041. The structure is 412 ft (125.6 m) long and 49 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was The Old RD over Santa Clara Riv built?
It was built in 1928, making it 97 years old in 2025.
What condition is The Old RD over Santa Clara Riv 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 March 2023.
How much traffic does The Old RD over Santa Clara Riv carry?
About 30,894 vehicles per day (2017 count), of which roughly 10% are trucks.
How long is The Old RD over Santa Clara Riv?
The structure is 412 ft (125.6 m) long with a longest span of 82 ft (25 m) and a deck 49 ft wide.
Who owns The Old RD over Santa Clara Riv?
It is owned by the County Highway Agency.