State Route 78 over Hatfield Creek
GoodSan Diego County, California · 11-SD-078-40.38 · Structure no. 57 0094
- Built
- 1922
- 103 years old, rebuilt 1967
- Condition
- Good
- inspected May 2023
- Type
- Tee Beam
- Concrete
- Length
- 27 ft
- 1 main span
- Daily traffic
- 9,700
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 78 over Hatfield Creek is a concrete tee beam carrying State Route 78 over Hatfield Creek in San Diego County, California. It was built in 1922 and reconstructed in 1967, 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 9,700 vehicles a day, roughly 1% of them trucks, projected to reach 15,716 by 2040. The structure is 27 ft (8.2 m) long and 33 ft wide. If it were closed, the detour would be 9.9 mi (16 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 Hatfield Creek built?
It was built in 1922, making it 103 years old in 2025. It was reconstructed in 1967.
What condition is State Route 78 over Hatfield 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 Hatfield Creek carry?
About 9,700 vehicles per day (2014 count), of which roughly 1% are trucks.
How long is State Route 78 over Hatfield Creek?
The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 33 ft wide.
Who owns State Route 78 over Hatfield Creek?
It is owned by the State Highway Agency.