Niles ST over State Route 178
GoodKern County, California · 06-KER-178-R2.81-BKD · Structure no. 50 0331
- Built
- 1967
- 58 years old
- Condition
- Good
- inspected November 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 180 ft
- 2 main spans
- Daily traffic
- 4,880
- 2013 count
- Owner
- State
- State Highway Agency
About this bridge
Niles ST over State Route 178 is a concrete continuous box beam or girders - multiple carrying Niles ST over State Route 178 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 4,880 vehicles a day, roughly 3% of them trucks, projected to reach 8,840 by 2042. The structure is 180 ft (54.9 m) long and 55 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Niles ST over State Route 178 built?
It was built in 1967, making it 58 years old in 2025.
What condition is Niles ST over State Route 178 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 November 2024.
How much traffic does Niles ST over State Route 178 carry?
About 4,880 vehicles per day (2013 count), of which roughly 3% are trucks.
How long is Niles ST over State Route 178?
The structure is 180 ft (54.9 m) long with a longest span of 91 ft (27.7 m) and a deck 55 ft wide.
Who owns Niles ST over State Route 178?
It is owned by the State Highway Agency.