Route 170 over Riverside-Tujunga
GoodLos Angeles County, California · 07-LA-170-R14.78-LA · Structure no. 53 1344
- Built
- 1962
- 63 years old
- Condition
- Good
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 467 ft
- 6 main spans
- Daily traffic
- 188,000
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
Route 170 over Riverside-Tujunga is a concrete continuous box beam or girders - multiple carrying Route 170 over Riverside-Tujunga in Los Angeles County, California. It was built in 1962, so it is 63 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 188,000 vehicles a day, roughly 5% of them trucks, projected to reach 191,455 by 2043. The structure is 467 ft (142.4 m) long and 147 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Route 170 over Riverside-Tujunga built?
It was built in 1962, making it 63 years old in 2025.
What condition is Route 170 over Riverside-Tujunga in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.
How much traffic does Route 170 over Riverside-Tujunga carry?
About 188,000 vehicles per day (2017 count), of which roughly 5% are trucks.
How long is Route 170 over Riverside-Tujunga?
The structure is 467 ft (142.4 m) long with a longest span of 72 ft (22 m) and a deck 147 ft wide.
Who owns Route 170 over Riverside-Tujunga?
It is owned by the State Highway Agency.