State Route 29 over York Creek
GoodNapa County, California · 04-NAP-029-29.29-SHLA · Structure no. 21 0017
- Built
- 1902
- 123 years old, rebuilt 1942
- Condition
- Good
- inspected April 2023
- Type
- Arch - Thru
- Masonry
- Length
- 35 ft
- 1 main span
- Daily traffic
- 20,000
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 29 over York Creek is a masonry arch - thru carrying State Route 29 over York Creek in Napa County, California. It was built in 1902 and reconstructed in 1942, so it is 123 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 20,000 vehicles a day, roughly 7% of them trucks, projected to reach 26,000 by 2040. The structure is 35 ft (10.7 m) long and 45 ft wide. If it were closed, the detour would be 3.1 mi (5 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. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 29 over York Creek built?
It was built in 1902, making it 123 years old in 2025. It was reconstructed in 1942.
What condition is State Route 29 over York Creek 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 April 2023.
How much traffic does State Route 29 over York Creek carry?
About 20,000 vehicles per day (2017 count), of which roughly 7% are trucks.
How long is State Route 29 over York Creek?
The structure is 35 ft (10.7 m) long with a longest span of 31 ft (9.4 m) and a deck 45 ft wide.
Who owns State Route 29 over York Creek?
It is owned by the State Highway Agency.