Gladstone ST over Big Dalton Wash
GoodLos Angeles County, California · 0.5MI W/O Grand Ave · Structure no. 53C0674
- Built
- 1960
- 65 years old
- Condition
- Good
- inspected April 2024
- Type
- Frame
- Concrete
- Length
- 43 ft
- 1 main span
- Daily traffic
- 9,541
- 2017 count
- Owner
- County
- County Highway Agency
About this bridge
Gladstone ST over Big Dalton Wash is a concrete frame carrying Gladstone ST over Big Dalton Wash in Los Angeles County, California. It was built in 1960, so it is 65 years old, older 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 9,541 vehicles a day, roughly 1% of them trucks, projected to reach 10,972 by 2043. The structure is 43 ft (13.1 m) long and 72 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 | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Gladstone ST over Big Dalton Wash built?
It was built in 1960, making it 65 years old in 2025.
What condition is Gladstone ST over Big Dalton Wash 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 April 2024.
How much traffic does Gladstone ST over Big Dalton Wash carry?
About 9,541 vehicles per day (2017 count), of which roughly 1% are trucks.
How long is Gladstone ST over Big Dalton Wash?
The structure is 43 ft (13.1 m) long with a longest span of 30 ft (9.1 m) and a deck 72 ft wide.
Who owns Gladstone ST over Big Dalton Wash?
It is owned by the County Highway Agency.