Interstate 15 over Rancho Bernardo RD
GoodSan Diego County, California · 11-SD-015-M23.69-SD · Structure no. 57 0578
- Built
- 1966
- 59 years old, rebuilt 2008
- Condition
- Good
- inspected November 2021
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 171 ft
- 2 main spans
- Daily traffic
- 243,000
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 15 over Rancho Bernardo RD is a concrete continuous box beam or girders - multiple carrying Interstate 15 over Rancho Bernardo RD in San Diego County, California. It was built in 1966 and reconstructed in 2008, so it is 59 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 243,000 vehicles a day, roughly 2% of them trucks, projected to reach 344,817 by 2040. The structure is 171 ft (52 m) long and 282 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 15 over Rancho Bernardo RD built?
It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2008.
What condition is Interstate 15 over Rancho Bernardo RD 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 November 2021.
How much traffic does Interstate 15 over Rancho Bernardo RD carry?
About 243,000 vehicles per day (2019 count), of which roughly 2% are trucks.
How long is Interstate 15 over Rancho Bernardo RD?
The structure is 171 ft (52 m) long with a longest span of 85 ft (26 m) and a deck 282 ft wide.
Who owns Interstate 15 over Rancho Bernardo RD?
It is owned by the State Highway Agency.