Interstate 8 WB over Westside Main Canal
GoodImperial County, California · 11-IMP-008-R25.11 · Structure no. 58 0240L
- Built
- 1968
- 57 years old
- Condition
- Good
- inspected February 2025
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 185 ft
- 3 main spans
- Daily traffic
- 6,100
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 8 WB over Westside Main Canal is a concrete continuous box beam or girders - multiple carrying Interstate 8 WB over Westside Main Canal in Imperial County, California. It was built in 1968, so it is 57 years old, older 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 6,100 vehicles a day, roughly 16% of them trucks, projected to reach 17,405 by 2046. The structure is 185 ft (56.4 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 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. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 8 WB over Westside Main Canal built?
It was built in 1968, making it 57 years old in 2025.
What condition is Interstate 8 WB over Westside Main Canal 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 Interstate 8 WB over Westside Main Canal carry?
About 6,100 vehicles per day (2019 count), of which roughly 16% are trucks.
How long is Interstate 8 WB over Westside Main Canal?
The structure is 185 ft (56.4 m) long with a longest span of 100 ft (30.5 m) and a deck 41 ft wide.
Who owns Interstate 8 WB over Westside Main Canal?
It is owned by the State Highway Agency.