Foothill Blvd over Los Angeles Aqueduct
FairLos Angeles County, California · 50 W/O Balboa Blvd · Structure no. 53C0316
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected August 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 268 ft
- 2 main spans
- Daily traffic
- 23,047
- 2018 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Foothill Blvd over Los Angeles Aqueduct is a prestressed concrete continuous box beam or girders - multiple carrying Foothill Blvd over Los Angeles Aqueduct in Los Angeles County, California. It was built in 1973, so it is 52 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 23,047 vehicles a day, roughly 2% of them trucks, projected to reach 29,141 by 2046. The structure is 268 ft (81.7 m) long and 42 ft wide. 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 |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
| 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 Los Angeles Aqueduct built?
It was built in 1973, making it 52 years old in 2025.
What condition is Foothill Blvd over Los Angeles Aqueduct 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 Foothill Blvd over Los Angeles Aqueduct carry?
About 23,047 vehicles per day (2018 count), of which roughly 2% are trucks.
How long is Foothill Blvd over Los Angeles Aqueduct?
The structure is 268 ft (81.7 m) long with a longest span of 137 ft (41.8 m) and a deck 42 ft wide.
Who owns Foothill Blvd over Los Angeles Aqueduct?
It is owned by the City or Municipal Highway Agency.