Big Tujunga Cyn RD over Trail Cyn
FairLos Angeles County, California · 5.0MI Ne/O Foothill Blvd · Structure no. 53C0609
- Built
- 1947
- 78 years old
- Condition
- Fair
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 43 ft
- 1 main span
- Daily traffic
- 510
- 2017 count
- Owner
- County
- County Highway Agency
About this bridge
Big Tujunga Cyn RD over Trail Cyn is a steel stringer/multi-beam or girder carrying Big Tujunga Cyn RD over Trail Cyn in Los Angeles County, California. It was built in 1947, so it is 78 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 510 vehicles a day, roughly 1% of them trucks, projected to reach 561 by 2041. The structure is 43 ft (13.1 m) long and 28 ft wide. If it were closed, the detour would be 19.3 mi (31 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Big Tujunga Cyn RD over Trail Cyn built?
It was built in 1947, making it 78 years old in 2025.
What condition is Big Tujunga Cyn RD over Trail Cyn 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 May 2024.
How much traffic does Big Tujunga Cyn RD over Trail Cyn carry?
About 510 vehicles per day (2017 count), of which roughly 1% are trucks.
How long is Big Tujunga Cyn RD over Trail Cyn?
The structure is 43 ft (13.1 m) long with a longest span of 39 ft (11.9 m) and a deck 28 ft wide.
Who owns Big Tujunga Cyn RD over Trail Cyn?
It is owned by the County Highway Agency.