State Route 170 over Roscoe Blvd
FairLos Angeles County, California · 07-LA-170-R19.72-LA · Structure no. 53 1675
- Built
- 1968
- 57 years old, rebuilt 2006
- Condition
- Fair
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 158 ft
- 4 main spans
- Daily traffic
- 175,000
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 170 over Roscoe Blvd is a concrete continuous box beam or girders - multiple carrying State Route 170 over Roscoe Blvd in Los Angeles County, California. It was built in 1968 and reconstructed in 2006, so it is 57 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 6 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 175,000 vehicles a day, roughly 5% of them trucks, projected to reach 191,455 by 2043. The structure is 158 ft (48.2 m) long and 174 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 State Route 170 over Roscoe Blvd built?
It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2006.
What condition is State Route 170 over Roscoe Blvd 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 2024.
How much traffic does State Route 170 over Roscoe Blvd carry?
About 175,000 vehicles per day (2017 count), of which roughly 5% are trucks.
How long is State Route 170 over Roscoe Blvd?
The structure is 158 ft (48.2 m) long with a longest span of 52 ft (15.8 m) and a deck 174 ft wide.
Who owns State Route 170 over Roscoe Blvd?
It is owned by the State Highway Agency.