Oak Grove DR over Arroyo Seco
GoodLos Angeles County, California · 0.2MI W/O Windsor Ave · Structure no. 53C1829
- Built
- 1955
- 70 years old
- Condition
- Good
- inspected July 2024
- Type
- Box Beam or Girders - Single or Spread
- Concrete Continuous
- Length
- 404 ft
- 3 main spans
- Daily traffic
- 6,131
- 2014 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Oak Grove DR over Arroyo Seco is a concrete continuous box beam or girders - single or spread carrying Oak Grove DR over Arroyo Seco in Los Angeles County, California. It was built in 1955, so it is 70 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 6,131 vehicles a day, roughly 1% of them trucks, projected to reach 7,050 by 2044. The structure is 404 ft (123.2 m) long and 69 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 Oak Grove DR over Arroyo Seco built?
It was built in 1955, making it 70 years old in 2025.
What condition is Oak Grove DR 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 July 2024.
How much traffic does Oak Grove DR over Arroyo Seco carry?
About 6,131 vehicles per day (2014 count), of which roughly 1% are trucks.
How long is Oak Grove DR over Arroyo Seco?
The structure is 404 ft (123.2 m) long with a longest span of 141 ft (43 m) and a deck 69 ft wide.
Who owns Oak Grove DR over Arroyo Seco?
It is owned by the City or Municipal Highway Agency.