Mason Ave over SR 118
GoodLos Angeles County, California · 07-LA-118-R3.32-LA · Structure no. 53 2499
- Built
- 1980
- 45 years old
- Condition
- Good
- inspected January 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 259 ft
- 2 main spans
- Daily traffic
- 1,193
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Mason Ave over SR 118 is a prestressed concrete continuous box beam or girders - multiple carrying Mason Ave over SR 118 in Los Angeles County, California. It was built in 1980, so it is 45 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 1,193 vehicles a day, roughly 1% of them trucks, projected to reach 1,455 by 2045. The structure is 259 ft (78.9 m) long and 82 ft wide. If it were closed, the detour would be 6.2 mi (10 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mason Ave over SR 118 built?
It was built in 1980, making it 45 years old in 2025.
What condition is Mason Ave over SR 118 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 Mason Ave over SR 118 carry?
About 1,193 vehicles per day (2020 count), of which roughly 1% are trucks.
How long is Mason Ave over SR 118?
The structure is 259 ft (78.9 m) long with a longest span of 136 ft (41.5 m) and a deck 82 ft wide.
Who owns Mason Ave over SR 118?
It is owned by the State Highway Agency.