Interstate 210 over Arroyo Seco
GoodLos Angeles County, California · 07-LA-210-R22.14-PAS · Structure no. 53 2173
- Built
- 1974
- 51 years old
- Condition
- Good
- inspected January 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 579 ft
- 3 main spans
- Daily traffic
- 113,000
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 210 over Arroyo Seco is a prestressed concrete continuous box beam or girders - multiple carrying Interstate 210 over Arroyo Seco in Los Angeles County, California. It was built in 1974, so it is 51 years old, younger 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 113,000 vehicles a day, roughly 10% of them trucks, projected to reach 129,673 by 2042. The structure is 579 ft (176.5 m) long and 150 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. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 210 over Arroyo Seco built?
It was built in 1974, making it 51 years old in 2025.
What condition is Interstate 210 over Arroyo Seco 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 January 2024.
How much traffic does Interstate 210 over Arroyo Seco carry?
About 113,000 vehicles per day (2015 count), of which roughly 10% are trucks.
How long is Interstate 210 over Arroyo Seco?
The structure is 579 ft (176.5 m) long with a longest span of 230 ft (70.1 m) and a deck 150 ft wide.
Who owns Interstate 210 over Arroyo Seco?
It is owned by the State Highway Agency.