State Route 78 over Palo Verde Drain
GoodImperial County, California · 11-IMP-078-75.57 · Structure no. 58 0298
- Built
- 1964
- 61 years old, rebuilt 2024
- Condition
- Good
- inspected November 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 181 ft
- 5 main spans
- Daily traffic
- 2,150
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 78 over Palo Verde Drain is a concrete continuous tee beam carrying State Route 78 over Palo Verde Drain in Imperial County, California. It was built in 1964 and reconstructed in 2024, so it is 61 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 2,150 vehicles a day, roughly 27% of them trucks, projected to reach 7,117 by 2046. The structure is 181 ft (55.2 m) long and 34 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 78 over Palo Verde Drain built?
It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2024.
What condition is State Route 78 over Palo Verde Drain 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 November 2024.
How much traffic does State Route 78 over Palo Verde Drain carry?
About 2,150 vehicles per day (2019 count), of which roughly 27% are trucks.
How long is State Route 78 over Palo Verde Drain?
The structure is 181 ft (55.2 m) long with a longest span of 41 ft (12.5 m) and a deck 34 ft wide.
Who owns State Route 78 over Palo Verde Drain?
It is owned by the State Highway Agency.