Zerker RD over Lerdo Canal
FairKern County, California · South of Lerdo HWY · Structure no. 50C0055
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected November 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 39 ft
- 3 main spans
- Daily traffic
- 870
- 2002 count
- Owner
- County
- County Highway Agency
About this bridge
Zerker RD over Lerdo Canal is a concrete continuous culvert carrying Zerker RD over Lerdo Canal in Kern County, California. It was built in 1964, 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 fair condition with a lowest component rating of 6 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 870 vehicles a day, roughly 10% of them trucks, projected to reach 1,614 by 2042. The structure is 39 ft (11.8 m) long and 47 ft wide. If it were closed, the detour would be 3.7 mi (6 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Zerker RD over Lerdo Canal built?
It was built in 1964, making it 61 years old in 2025.
What condition is Zerker RD over Lerdo Canal 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 November 2024.
How much traffic does Zerker RD over Lerdo Canal carry?
About 870 vehicles per day (2002 count), of which roughly 10% are trucks.
How long is Zerker RD over Lerdo Canal?
The structure is 39 ft (11.8 m) long with a longest span of 12 ft (3.7 m) and a deck 47 ft wide.
Who owns Zerker RD over Lerdo Canal?
It is owned by the County Highway Agency.