Circle Trail over Topanga Cyn Crk
PoorPosted for loadLos Angeles County, California · 25FT W/O Topanga Cyn Blvd · Structure no. 53C0970
- Built
- 1936
- 89 years old, rebuilt 1966
- Condition
- Poor
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 41 ft
- 1 main span
- Daily traffic
- 204
- 2014 count
- Owner
- County
- County Highway Agency
About this bridge
Circle Trail over Topanga Cyn Crk is a steel stringer/multi-beam or girder carrying Circle Trail over Topanga Cyn Crk in Los Angeles County, California. It was built in 1936 and reconstructed in 1966, so it is 89 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 3 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. Its operating status is: posted for load restriction.
It carries about 204 vehicles a day, projected to reach 204 by 2044. The structure is 41 ft (12.5 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Circle Trail over Topanga Cyn Crk built?
It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1966.
What condition is Circle Trail over Topanga Cyn 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 March 2024.
How much traffic does Circle Trail over Topanga Cyn Crk carry?
About 204 vehicles per day (2014 count).
How long is Circle Trail over Topanga Cyn Crk?
The structure is 41 ft (12.5 m) long with a longest span of 39 ft (11.9 m) and a deck 28 ft wide.
Who owns Circle Trail over Topanga Cyn Crk?
It is owned by the County Highway Agency.