State Route 170 over Colfax Ave
GoodLos Angeles County, California · 07-LA-170-R15.91-LA · Structure no. 53 1683
- Built
- 1966
- 59 years old
- Condition
- Good
- inspected March 2022
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 214 ft
- 4 main spans
- Daily traffic
- 184,000
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 170 over Colfax Ave is a concrete continuous box beam or girders - multiple carrying State Route 170 over Colfax Ave in Los Angeles County, California. It was built in 1966, so it is 59 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 184,000 vehicles a day, roughly 5% of them trucks, projected to reach 192,093 by 2039. The structure is 214 ft (65.2 m) long and 176 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 State Route 170 over Colfax Ave built?
It was built in 1966, making it 59 years old in 2025.
What condition is State Route 170 over Colfax Ave 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 2022.
How much traffic does State Route 170 over Colfax Ave carry?
About 184,000 vehicles per day (2019 count), of which roughly 5% are trucks.
How long is State Route 170 over Colfax Ave?
The structure is 214 ft (65.2 m) long with a longest span of 57 ft (17.4 m) and a deck 176 ft wide.
Who owns State Route 170 over Colfax Ave?
It is owned by the State Highway Agency.