Chinagrade Loop RD over Kern River
FairKern County, California · 0.1 MI S Round Mtn RD · Structure no. 50C0017
- Built
- 1991
- 34 years old
- Condition
- Fair
- inspected December 2024
- Type
- Slab
- Concrete Continuous
- Length
- 379 ft
- 11 main spans
- Daily traffic
- 5,000
- 2007 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Chinagrade Loop RD over Kern River is a concrete continuous slab carrying Chinagrade Loop RD over Kern River in Kern County, California. It was built in 1991, so it is 34 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 5,000 vehicles a day, roughly 10% of them trucks, projected to reach 7,358 by 2044. The structure is 379 ft (115.5 m) long and 48 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Chinagrade Loop RD over Kern River built?
It was built in 1991, making it 34 years old in 2025.
What condition is Chinagrade Loop RD 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 2024.
How much traffic does Chinagrade Loop RD over Kern River carry?
About 5,000 vehicles per day (2007 count), of which roughly 10% are trucks.
How long is Chinagrade Loop RD over Kern River?
The structure is 379 ft (115.5 m) long with a longest span of 36 ft (11 m) and a deck 48 ft wide.
Who owns Chinagrade Loop RD over Kern River?
It is owned by the City or Municipal Highway Agency.