State Route 91 over Los Angeles Riv E91-N710
GoodLos Angeles County, California · 07-LA-091-R11.81-LBCH · Structure no. 53 2142
- Built
- 1971
- 54 years old
- Condition
- Good
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 940 ft
- 9 main spans
- Daily traffic
- 258,000
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 91 over Los Angeles Riv E91-N710 is a prestressed concrete stringer/multi-beam or girder carrying State Route 91 over Los Angeles Riv E91-N710 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 258,000 vehicles a day, roughly 12% of them trucks, projected to reach 270,604 by 2040. The structure is 940 ft (286.5 m) long and 136 ft wide. If it were closed, the detour would be 1.9 mi (3 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 State Route 91 over Los Angeles Riv E91-N710 built?
It was built in 1971, making it 54 years old in 2025.
What condition is State Route 91 over Los Angeles Riv E91-N710 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 June 2023.
How much traffic does State Route 91 over Los Angeles Riv E91-N710 carry?
About 258,000 vehicles per day (2019 count), of which roughly 12% are trucks.
How long is State Route 91 over Los Angeles Riv E91-N710?
The structure is 940 ft (286.5 m) long with a longest span of 125 ft (38 m) and a deck 136 ft wide.
Who owns State Route 91 over Los Angeles Riv E91-N710?
It is owned by the State Highway Agency.