State Route 178 over Hillside
GoodKern County, California · 06-KER-178-13.74 · Structure no. 50 0137
- Built
- 1923
- 102 years old
- Condition
- Good
- inspected November 2024
- Type
- Tee Beam
- Concrete
- Length
- 26 ft
- 1 main span
- Daily traffic
- 4,350
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 178 over Hillside is a concrete tee beam carrying State Route 178 over Hillside in Kern County, California. It was built in 1923, so it is 102 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 4,350 vehicles a day, projected to reach 14,452 by 2044. The structure is 26 ft (7.9 m) long and 23 ft wide. If it were closed, the detour would be 88.2 mi (142 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 178 over Hillside built?
It was built in 1923, making it 102 years old in 2025.
What condition is State Route 178 over Hillside 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 State Route 178 over Hillside carry?
About 4,350 vehicles per day (2009 count).
How long is State Route 178 over Hillside?
The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 23 ft wide.
Who owns State Route 178 over Hillside?
It is owned by the State Highway Agency.