State Route 174 over Wolf Creek
FairNevada County, California · 03-NEV-174-10.17-GVY · Structure no. 17 0032
- Built
- 1969
- 56 years old
- Condition
- Fair
- inspected June 2022
- Type
- Culvert
- Concrete Continuous
- Length
- 24 ft
- 2 main spans
- Daily traffic
- 8,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 174 over Wolf Creek is a concrete continuous culvert carrying State Route 174 over Wolf Creek in Nevada County, California. It was built in 1969, so it is 56 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 8,000 vehicles a day, roughly 6% of them trucks, projected to reach 13,262 by 2041. The structure is 24 ft (7.3 m) long. 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 174 over Wolf Creek built?
It was built in 1969, making it 56 years old in 2025.
What condition is State Route 174 over Wolf Creek 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 June 2022.
How much traffic does State Route 174 over Wolf Creek carry?
About 8,000 vehicles per day (2020 count), of which roughly 6% are trucks.
How long is State Route 174 over Wolf Creek?
The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m).
Who owns State Route 174 over Wolf Creek?
It is owned by the State Highway Agency.