Road 99 over Kern River
GoodTulare County, California · 4.1 MI E of CR M50 · Structure no. 46C0414
- Built
- 1983
- 42 years old
- Condition
- Good
- inspected July 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 382 ft
- 3 main spans
- Daily traffic
- 875
- 1984 count
- Owner
- County
- County Highway Agency
About this bridge
Road 99 over Kern River is a prestressed concrete continuous box beam or girders - multiple carrying Road 99 over Kern River in Tulare County, California. It was built in 1983, so it is 42 years old, younger 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 875 vehicles a day, roughly 5% of them trucks, projected to reach 1,631 by 2042. The structure is 382 ft (116.4 m) long and 33 ft wide. If it were closed, the detour would be 123.7 mi (199 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 Road 99 over Kern River built?
It was built in 1983, making it 42 years old in 2025.
What condition is Road 99 over Kern River 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 July 2024.
How much traffic does Road 99 over Kern River carry?
About 875 vehicles per day (1984 count), of which roughly 5% are trucks.
How long is Road 99 over Kern River?
The structure is 382 ft (116.4 m) long with a longest span of 190 ft (57.9 m) and a deck 33 ft wide.
Who owns Road 99 over Kern River?
It is owned by the County Highway Agency.