State Route 178 WB over ST RTE 204 & Q Street
FairKern County, California · 06-KER-178-R1.95-BKD · Structure no. 50 0326L
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 410 ft
- 2 main spans
- Daily traffic
- 25,500
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 178 WB over ST RTE 204 & Q Street is a prestressed concrete continuous stringer/multi-beam or girder carrying State Route 178 WB over ST RTE 204 & Q Street 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 fair condition with a lowest component rating of 6 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 25,500 vehicles a day, roughly 6% of them trucks, projected to reach 74,685 by 2042. The structure is 410 ft (125 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 178 WB over ST RTE 204 & Q Street built?
It was built in 1967, making it 58 years old in 2025.
What condition is State Route 178 WB over ST RTE 204 & Q Street 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 November 2024.
How much traffic does State Route 178 WB over ST RTE 204 & Q Street carry?
About 25,500 vehicles per day (2009 count), of which roughly 6% are trucks.
How long is State Route 178 WB over ST RTE 204 & Q Street?
The structure is 410 ft (125 m) long with a longest span of 99 ft (30.2 m) and a deck 61 ft wide.
Who owns State Route 178 WB over ST RTE 204 & Q Street?
It is owned by the State Highway Agency.