Lerdo Highway over Lerdo Canal
FairKern County, California · 0.6 MI E/O SR 99 · Structure no. 50C0109
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected March 2024
- Type
- Slab
- Concrete Continuous
- Length
- 73 ft
- 3 main spans
- Daily traffic
- 4,900
- 2005 count
- Owner
- County
- County Highway Agency
About this bridge
Lerdo Highway over Lerdo Canal is a concrete continuous slab carrying Lerdo Highway over Lerdo Canal in Kern County, California. It was built in 1966, so it is 59 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 4,900 vehicles a day, roughly 10% of them trucks, projected to reach 7,659 by 2046. The structure is 73 ft (22.4 m) long and 41 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Lerdo Highway over Lerdo Canal built?
It was built in 1966, making it 59 years old in 2025.
What condition is Lerdo Highway 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 March 2024.
How much traffic does Lerdo Highway over Lerdo Canal carry?
About 4,900 vehicles per day (2005 count), of which roughly 10% are trucks.
How long is Lerdo Highway over Lerdo Canal?
The structure is 73 ft (22.4 m) long with a longest span of 28 ft (8.5 m) and a deck 41 ft wide.
Who owns Lerdo Highway over Lerdo Canal?
It is owned by the County Highway Agency.