State Route 78 over Ballena Creek
GoodSan Diego County, California · 11-SD-078-45.01 · Structure no. 57 0161
- Built
- 1922
- 103 years old, rebuilt 1990
- Condition
- Good
- inspected May 2023
- Type
- Slab
- Concrete
- Length
- 22 ft
- 1 main span
- Daily traffic
- 6,500
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 78 over Ballena Creek is a concrete slab carrying State Route 78 over Ballena Creek in San Diego County, California. It was built in 1922 and reconstructed in 1990, so it is 103 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 6,500 vehicles a day, roughly 6% of them trucks, projected to reach 7,117 by 2040. The structure is 22 ft (6.7 m) long and 43 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. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 78 over Ballena Creek built?
It was built in 1922, making it 103 years old in 2025. It was reconstructed in 1990.
What condition is State Route 78 over Ballena Creek 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 State Route 78 over Ballena Creek carry?
About 6,500 vehicles per day (2014 count), of which roughly 6% are trucks.
How long is State Route 78 over Ballena Creek?
The structure is 22 ft (6.7 m) long with a longest span of 19 ft (5.8 m) and a deck 43 ft wide.
Who owns State Route 78 over Ballena Creek?
It is owned by the State Highway Agency.