State Route 78 over Hatfield Creek
FairSan Diego County, California · 11-SD-078-37.26 · Structure no. 57 0093
- Built
- 1992
- 33 years old
- Condition
- Fair
- inspected May 2023
- Type
- Slab
- Concrete Continuous
- Length
- 299 ft
- 11 main spans
- Daily traffic
- 9,700
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 78 over Hatfield Creek is a concrete continuous slab carrying State Route 78 over Hatfield Creek in San Diego County, California. It was built in 1992, so it is 33 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 9,700 vehicles a day, roughly 1% of them trucks, projected to reach 26,193 by 2040. The structure is 299 ft (91.1 m) long and 43 ft wide. If it were closed, the detour would be 32.9 mi (53 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 1992, making it 33 years old in 2025.
What condition is State Route 78 over Hatfield Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. 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 299 ft (91.1 m) long with a longest span of 28 ft (8.5 m) and a deck 43 ft wide.
Who owns State Route 78 over Hatfield Creek?
It is owned by the State Highway Agency.