Herring RD over State Route 99
GoodKern County, California · 06-KER-099-9.30 · Structure no. 50 0348
- Built
- 1967
- 58 years old
- Condition
- Good
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 247 ft
- 2 main spans
- Daily traffic
- 951
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
Herring RD over State Route 99 is a prestressed concrete continuous stringer/multi-beam or girder carrying Herring RD over State Route 99 in Kern County, California. It was built in 1967, so it is 58 years old, older 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 951 vehicles a day, roughly 30% of them trucks, projected to reach 1,707 by 2043. The structure is 247 ft (75.3 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Herring RD over State Route 99 built?
It was built in 1967, making it 58 years old in 2025.
What condition is Herring RD over State Route 99 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 December 2023.
How much traffic does Herring RD over State Route 99 carry?
About 951 vehicles per day (2017 count), of which roughly 30% are trucks.
How long is Herring RD over State Route 99?
The structure is 247 ft (75.3 m) long with a longest span of 129 ft (39.3 m) and a deck 34 ft wide.
Who owns Herring RD over State Route 99?
It is owned by the State Highway Agency.