State Route 99 NB over Norris RD UP RR Oildale
GoodKern County, California · 06-KER-099-R28.56 · Structure no. 50 0034R
- Built
- 1964
- 61 years old
- Condition
- Good
- inspected October 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 351 ft
- 5 main spans
- Daily traffic
- 45,000
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 99 NB over Norris RD UP RR Oildale is a concrete continuous box beam or girders - multiple carrying State Route 99 NB over Norris RD UP RR Oildale in Kern County, California. It was built in 1964, so it is 61 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 45,000 vehicles a day, roughly 30% of them trucks, projected to reach 61,728 by 2045. The structure is 351 ft (107 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 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 State Route 99 NB over Norris RD UP RR Oildale built?
It was built in 1964, making it 61 years old in 2025.
What condition is State Route 99 NB over Norris RD UP RR Oildale 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 October 2023.
How much traffic does State Route 99 NB over Norris RD UP RR Oildale carry?
About 45,000 vehicles per day (2019 count), of which roughly 30% are trucks.
How long is State Route 99 NB over Norris RD UP RR Oildale?
The structure is 351 ft (107 m) long with a longest span of 87 ft (26.5 m) and a deck 52 ft wide.
Who owns State Route 99 NB over Norris RD UP RR Oildale?
It is owned by the State Highway Agency.