Interstate 210 over Mountain Avenue
FairLos Angeles County, California · 07-LA-210-R24.06-PAS · Structure no. 53 2159
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected January 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 153 ft
- 1 main span
- Daily traffic
- 111,000
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 210 over Mountain Avenue is a prestressed concrete box beam or girders - multiple carrying Interstate 210 over Mountain Avenue in Los Angeles County, California. It was built in 1973, so it is 52 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 111,000 vehicles a day, roughly 9% of them trucks, projected to reach 235,951 by 2042. The structure is 153 ft (46.7 m) long and 172 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 210 over Mountain Avenue built?
It was built in 1973, making it 52 years old in 2025.
What condition is Interstate 210 over Mountain Avenue in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.
How much traffic does Interstate 210 over Mountain Avenue carry?
About 111,000 vehicles per day (2015 count), of which roughly 9% are trucks.
How long is Interstate 210 over Mountain Avenue?
The structure is 153 ft (46.7 m) long with a longest span of 150 ft (45.7 m) and a deck 172 ft wide.
Who owns Interstate 210 over Mountain Avenue?
It is owned by the State Highway Agency.