Jefferson Street over State Route 78
GoodSan Diego County, California · 11-SD-078-0.74-OCN · Structure no. 57 0763
- Built
- 1973
- 52 years old, rebuilt 1998
- Condition
- Good
- inspected May 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 176 ft
- 2 main spans
- Daily traffic
- 15,200
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
Jefferson Street over State Route 78 is a concrete continuous box beam or girders - multiple carrying Jefferson Street over State Route 78 in San Diego County, California. It was built in 1973 and reconstructed in 1998, so it is 52 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 15,200 vehicles a day, roughly 1% of them trucks, projected to reach 31,430 by 2040. The structure is 176 ft (53.6 m) long and 118 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 Jefferson Street over State Route 78 built?
It was built in 1973, making it 52 years old in 2025. It was reconstructed in 1998.
What condition is Jefferson Street 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 May 2023.
How much traffic does Jefferson Street over State Route 78 carry?
About 15,200 vehicles per day (2014 count), of which roughly 1% are trucks.
How long is Jefferson Street over State Route 78?
The structure is 176 ft (53.6 m) long with a longest span of 90 ft (27.4 m) and a deck 118 ft wide.
Who owns Jefferson Street over State Route 78?
It is owned by the State Highway Agency.