Imperial HWY over San Gabriel Riv / FR
FairLos Angeles County, California · 0.5MI W/O I-605 Fwy · Structure no. 53C0106
- Built
- 1952
- 73 years old, rebuilt 1971
- Condition
- Fair
- inspected March 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 305 ft
- 5 main spans
- Daily traffic
- 36,741
- 2016 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Imperial HWY over San Gabriel Riv / FR is a concrete continuous tee beam carrying Imperial HWY over San Gabriel Riv / FR in Los Angeles County, California. It was built in 1952 and reconstructed in 1971, so it is 73 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 36,741 vehicles a day, roughly 3% of them trucks, projected to reach 40,320 by 2043. The structure is 305 ft (93 m) long and 91 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Imperial HWY over San Gabriel Riv / FR built?
It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1971.
What condition is Imperial HWY over San Gabriel Riv / FR 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 March 2023.
How much traffic does Imperial HWY over San Gabriel Riv / FR carry?
About 36,741 vehicles per day (2016 count), of which roughly 3% are trucks.
How long is Imperial HWY over San Gabriel Riv / FR?
The structure is 305 ft (93 m) long with a longest span of 67 ft (20.4 m) and a deck 91 ft wide.
Who owns Imperial HWY over San Gabriel Riv / FR?
It is owned by the City or Municipal Highway Agency.