Silsbee Road over Interstate 8
GoodImperial County, California · 11-IMP-008-R32.49 · Structure no. 58 0247
- Built
- 1967
- 58 years old
- Condition
- Good
- inspected February 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 178 ft
- 2 main spans
- Daily traffic
- 590
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Silsbee Road over Interstate 8 is a concrete continuous box beam or girders - multiple carrying Silsbee Road over Interstate 8 in Imperial County, California. It was built in 1967, so it is 58 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 590 vehicles a day, roughly 5% of them trucks, projected to reach 1,631 by 2045. The structure is 178 ft (54.3 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Silsbee Road over Interstate 8 built?
It was built in 1967, making it 58 years old in 2025.
What condition is Silsbee Road 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 2023.
How much traffic does Silsbee Road over Interstate 8 carry?
About 590 vehicles per day (2019 count), of which roughly 5% are trucks.
How long is Silsbee Road over Interstate 8?
The structure is 178 ft (54.3 m) long with a longest span of 89 ft (27.1 m) and a deck 34 ft wide.
Who owns Silsbee Road over Interstate 8?
It is owned by the State Highway Agency.