Imperial Avenue over Interstate 8
GoodImperial County, California · 11-IMP-008-R36.97-ECN · Structure no. 58 0353
- Built
- 2022
- 3 years old
- Condition
- Good
- inspected February 2025
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 223 ft
- 2 main spans
- Daily traffic
- 23,361
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Imperial Avenue over Interstate 8 is a prestressed concrete continuous box beam or girders - multiple carrying Imperial Avenue over Interstate 8 in Imperial County, California. It was built in 2022, so it is 3 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 23,361 vehicles a day, roughly 5% of them trucks, projected to reach 31,536 by 2046. The structure is 223 ft (68 m) long and 94 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Imperial Avenue over Interstate 8 built?
It was built in 2022, making it 3 years old in 2025.
What condition is Imperial Avenue over Interstate 8 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 February 2025.
How much traffic does Imperial Avenue over Interstate 8 carry?
About 23,361 vehicles per day (2019 count), of which roughly 5% are trucks.
How long is Imperial Avenue over Interstate 8?
The structure is 223 ft (68 m) long with a longest span of 123 ft (37.5 m) and a deck 94 ft wide.
Who owns Imperial Avenue over Interstate 8?
It is owned by the State Highway Agency.