Union AVE-S99 Onrp over State Route 99
FairKern County, California · 06-KER-099-10.93 · Structure no. 50 0238K
- Built
- 1962
- 63 years old
- Condition
- Fair
- inspected December 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 338 ft
- 4 main spans
- Daily traffic
- 480
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
Union AVE-S99 Onrp over State Route 99 is a concrete continuous box beam or girders - multiple carrying Union AVE-S99 Onrp over State Route 99 in Kern County, California. It was built in 1962, so it is 63 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 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 480 vehicles a day, roughly 10% of them trucks, projected to reach 700 by 2041. The structure is 338 ft (103 m) long and 40 ft wide. If it were closed, the detour would be 6.2 mi (10 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Union AVE-S99 Onrp over State Route 99 built?
It was built in 1962, making it 63 years old in 2025.
What condition is Union AVE-S99 Onrp over State Route 99 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 Union AVE-S99 Onrp over State Route 99 carry?
About 480 vehicles per day (2016 count), of which roughly 10% are trucks.
How long is Union AVE-S99 Onrp over State Route 99?
The structure is 338 ft (103 m) long with a longest span of 111 ft (33.8 m) and a deck 40 ft wide.
Who owns Union AVE-S99 Onrp over State Route 99?
It is owned by the State Highway Agency.