RTE 39 over W Fork San Gabriel River
GoodLos Angeles County, California · 07-LA-039-24.10 · Structure no. 53 2826
- Built
- 1996
- 29 years old
- Condition
- Good
- inspected October 2022
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 117 ft
- 1 main span
- Daily traffic
- 1,550
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
RTE 39 over W Fork San Gabriel River is a concrete continuous box beam or girders - multiple carrying RTE 39 over W Fork San Gabriel River in Los Angeles County, California. It was built in 1996, so it is 29 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 1,550 vehicles a day, roughly 4% of them trucks, projected to reach 5,360 by 2041. The structure is 117 ft (35.7 m) long and 37 ft wide. If it were closed, the detour would be 123.7 mi (199 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 RTE 39 over W Fork San Gabriel River built?
It was built in 1996, making it 29 years old in 2025.
What condition is RTE 39 over W Fork San Gabriel River 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 October 2022.
How much traffic does RTE 39 over W Fork San Gabriel River carry?
About 1,550 vehicles per day (2017 count), of which roughly 4% are trucks.
How long is RTE 39 over W Fork San Gabriel River?
The structure is 117 ft (35.7 m) long with a longest span of 61 ft (18.7 m) and a deck 37 ft wide.
Who owns RTE 39 over W Fork San Gabriel River?
It is owned by the State Highway Agency.