Westside Parkway over Kern River
FairKern County, California · West of Truxtun Ave · Structure no. 50C0357K
- Built
- 2013
- 12 years old
- Condition
- Fair
- inspected December 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 773 ft
- 6 main spans
- Daily traffic
- 1,000
- 2016 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Westside Parkway over Kern River is a prestressed concrete continuous box beam or girders - multiple carrying Westside Parkway over Kern River in Kern County, California. It was built in 2013, so it is 12 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 1,000 vehicles a day, roughly 3% of them trucks, projected to reach 2,500 by 2040. The structure is 773 ft (235.7 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Westside Parkway over Kern River built?
It was built in 2013, making it 12 years old in 2025.
What condition is Westside Parkway over Kern River 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 December 2023.
How much traffic does Westside Parkway over Kern River carry?
About 1,000 vehicles per day (2016 count), of which roughly 3% are trucks.
How long is Westside Parkway over Kern River?
The structure is 773 ft (235.7 m) long with a longest span of 140 ft (42.7 m) and a deck 39 ft wide.
Who owns Westside Parkway over Kern River?
It is owned by the City or Municipal Highway Agency.