State Route 29 over Stanley Creek
FairNapa County, California · 04-NAP-029-R8.33 · Structure no. 21 0098
- Built
- 1981
- 44 years old
- Condition
- Fair
- inspected April 2022
- Type
- Culvert
- Concrete Continuous
- Length
- 32 ft
- 3 main spans
- Daily traffic
- 48,000
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 29 over Stanley Creek is a concrete continuous culvert carrying State Route 29 over Stanley Creek in Napa County, California. It was built in 1981, so it is 44 years old, younger 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 48,000 vehicles a day, roughly 9% of them trucks, projected to reach 62,400 by 2040. The structure is 32 ft (9.8 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 29 over Stanley Creek built?
It was built in 1981, making it 44 years old in 2025.
What condition is State Route 29 over Stanley 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 April 2022.
How much traffic does State Route 29 over Stanley Creek carry?
About 48,000 vehicles per day (2017 count), of which roughly 9% are trucks.
How long is State Route 29 over Stanley Creek?
The structure is 32 ft (9.8 m) long with a longest span of 8 ft (2.4 m).
Who owns State Route 29 over Stanley Creek?
It is owned by the State Highway Agency.