Atlantic to N71O over Los Angeles River
GoodLos Angeles County, California · 07-LA-710-13.09-LBCH · Structure no. 53 2145S
- Built
- 1971
- 54 years old
- Condition
- Good
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 797 ft
- 8 main spans
- Daily traffic
- 5,250
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
Atlantic to N71O over Los Angeles River is a prestressed concrete continuous stringer/multi-beam or girder carrying Atlantic to N71O over Los Angeles River in Los Angeles County, California. It was built in 1971, so it is 54 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 5,250 vehicles a day, roughly 2% of them trucks, projected to reach 8,000 by 2041. The structure is 797 ft (242.9 m) long and 26 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Atlantic to N71O over Los Angeles River built?
It was built in 1971, making it 54 years old in 2025.
What condition is Atlantic to N71O over Los Angeles River 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 April 2024.
How much traffic does Atlantic to N71O over Los Angeles River carry?
About 5,250 vehicles per day (2015 count), of which roughly 2% are trucks.
How long is Atlantic to N71O over Los Angeles River?
The structure is 797 ft (242.9 m) long with a longest span of 118 ft (36 m) and a deck 26 ft wide.
Who owns Atlantic to N71O over Los Angeles River?
It is owned by the State Highway Agency.