Rancho Santa Fe RD over State Route 78
GoodSan Diego County, California · 11-SD-078-10.61 · Structure no. 57 0384
- Built
- 1962
- 63 years old, rebuilt 1980
- Condition
- Good
- inspected April 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 243 ft
- 4 main spans
- Daily traffic
- 30,710
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Rancho Santa Fe RD over State Route 78 is a prestressed concrete continuous box beam or girders - multiple carrying Rancho Santa Fe RD over State Route 78 in San Diego County, California. It was built in 1962 and reconstructed in 1980, so it is 63 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 30,710 vehicles a day, roughly 3% of them trucks, projected to reach 30,414 by 2040. The structure is 243 ft (74.1 m) long and 83 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 Rancho Santa Fe RD over State Route 78 built?
It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1980.
What condition is Rancho Santa Fe RD over State Route 78 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 April 2023.
How much traffic does Rancho Santa Fe RD over State Route 78 carry?
About 30,710 vehicles per day (2020 count), of which roughly 3% are trucks.
How long is Rancho Santa Fe RD over State Route 78?
The structure is 243 ft (74.1 m) long with a longest span of 75 ft (22.9 m) and a deck 83 ft wide.
Who owns Rancho Santa Fe RD over State Route 78?
It is owned by the State Highway Agency.