State Route 57 over Pomona Boulevard Drain
FairLos Angeles County, California · 07-LA-057-R6.75-POM · Structure no. 53 2597
- Built
- 1972
- 53 years old
- Condition
- Fair
- inspected August 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 44 ft
- 3 main spans
- Daily traffic
- 146,000
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 57 over Pomona Boulevard Drain is a concrete continuous culvert carrying State Route 57 over Pomona Boulevard Drain in Los Angeles County, California. It was built in 1972, so it is 53 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 6 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 146,000 vehicles a day, roughly 5% of them trucks, projected to reach 146,359 by 2042. The structure is 44 ft (13.4 m) long. If it were closed, the detour would be 5 mi (8 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 57 over Pomona Boulevard Drain built?
It was built in 1972, making it 53 years old in 2025.
What condition is State Route 57 over Pomona Boulevard Drain 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 August 2024.
How much traffic does State Route 57 over Pomona Boulevard Drain carry?
About 146,000 vehicles per day (2022 count), of which roughly 5% are trucks.
How long is State Route 57 over Pomona Boulevard Drain?
The structure is 44 ft (13.4 m) long with a longest span of 12 ft (3.7 m).
Who owns State Route 57 over Pomona Boulevard Drain?
It is owned by the State Highway Agency.