San Dimas Ave over Walnut Crk
FairLos Angeles County, California · 0.5MI E/O I-210 Fwy · Structure no. 53C1398
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected January 2025
- Type
- Culvert
- Steel
- Length
- 120 ft
- 2 main spans
- Daily traffic
- 7,519
- 2017 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
San Dimas Ave over Walnut Crk is a steel culvert carrying San Dimas Ave over Walnut Crk in Los Angeles County, California. It was built in 1979, so it is 46 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 7,519 vehicles a day, roughly 1% of them trucks, projected to reach 8,647 by 2044. The structure is 120 ft (36.6 m) long. If it were closed, the detour would be 3.7 mi (6 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was San Dimas Ave over Walnut Crk built?
It was built in 1979, making it 46 years old in 2025.
What condition is San Dimas Ave over Walnut Crk 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 2025.
How much traffic does San Dimas Ave over Walnut Crk carry?
About 7,519 vehicles per day (2017 count), of which roughly 1% are trucks.
How long is San Dimas Ave over Walnut Crk?
The structure is 120 ft (36.6 m) long with a longest span of 10 ft (3 m).
Who owns San Dimas Ave over Walnut Crk?
It is owned by the City or Municipal Highway Agency.