Route 170 over Strathern Street
FairLos Angeles County, California · 07-LA-170-R19.30-LA · Structure no. 53 1676
- Built
- 1968
- 57 years old, rebuilt 2007
- Condition
- Fair
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 145 ft
- 3 main spans
- Daily traffic
- 175,000
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
Route 170 over Strathern Street is a concrete continuous box beam or girders - multiple carrying Route 170 over Strathern Street in Los Angeles County, California. It was built in 1968 and reconstructed in 2007, 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 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 175,000 vehicles a day, roughly 5% of them trucks, projected to reach 191,455 by 2043. The structure is 145 ft (44.2 m) long and 139 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Strathern Street built?
It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2007.
What condition is Route 170 over Strathern Street 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 Route 170 over Strathern Street carry?
About 175,000 vehicles per day (2017 count), of which roughly 5% are trucks.
How long is Route 170 over Strathern Street?
The structure is 145 ft (44.2 m) long with a longest span of 89 ft (27.1 m) and a deck 139 ft wide.
Who owns Route 170 over Strathern Street?
It is owned by the State Highway Agency.