Old Topanga Cyn RD over Old Topanga Crk
FairLos Angeles County, California · 300FT S/O Topanga Sky DR · Structure no. 53C0963
- Built
- 1927
- 98 years old, rebuilt 1960
- Condition
- Fair
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 25 ft
- 1 main span
- Daily traffic
- 2,300
- 2013 count
- Owner
- County
- County Highway Agency
About this bridge
Old Topanga Cyn RD over Old Topanga Crk is a wood or timber stringer/multi-beam or girder carrying Old Topanga Cyn RD over Old Topanga Crk in Los Angeles County, California. It was built in 1927 and reconstructed in 1960, so it is 98 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 2,300 vehicles a day, roughly 2% of them trucks, projected to reach 2,900 by 2043. The structure is 25 ft (7.6 m) long and 29 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| 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 Old Topanga Cyn RD over Old Topanga Crk built?
It was built in 1927, making it 98 years old in 2025. It was reconstructed in 1960.
What condition is Old Topanga Cyn RD over Old Topanga Crk 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 March 2023.
How much traffic does Old Topanga Cyn RD over Old Topanga Crk carry?
About 2,300 vehicles per day (2013 count), of which roughly 2% are trucks.
How long is Old Topanga Cyn RD over Old Topanga Crk?
The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 29 ft wide.
Who owns Old Topanga Cyn RD over Old Topanga Crk?
It is owned by the County Highway Agency.