Foothill Blvd over San Gabriel Riv
FairLos Angeles County, California · 0.5MI W/O Irwindale Ave · Structure no. 53C0375
- Built
- 1922
- 103 years old, rebuilt 1947
- Condition
- Fair
- inspected October 2023
- Type
- Tee Beam
- Concrete
- Length
- 682 ft
- 13 main spans
- Daily traffic
- 33,043
- 2017 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Foothill Blvd over San Gabriel Riv is a concrete tee beam carrying Foothill Blvd over San Gabriel Riv in Los Angeles County, California. It was built in 1922 and reconstructed in 1947, so it is 103 years old, older 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 5 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 33,043 vehicles a day, roughly 4% of them trucks, projected to reach 39,651 by 2041. The structure is 682 ft (207.9 m) long and 50 ft wide. If it were closed, the detour would be 0.6 mi (1 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Foothill Blvd over San Gabriel Riv built?
It was built in 1922, making it 103 years old in 2025. It was reconstructed in 1947.
What condition is Foothill Blvd over San Gabriel Riv 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 October 2023.
How much traffic does Foothill Blvd over San Gabriel Riv carry?
About 33,043 vehicles per day (2017 count), of which roughly 4% are trucks.
How long is Foothill Blvd over San Gabriel Riv?
The structure is 682 ft (207.9 m) long with a longest span of 54 ft (16.5 m) and a deck 50 ft wide.
Who owns Foothill Blvd over San Gabriel Riv?
It is owned by the City or Municipal Highway Agency.