State Route 29 over Dry Creek
FairNapa County, California · 04-NAP-029-16.48 · Structure no. 21 0014
- Built
- 1970
- 55 years old, rebuilt 1997
- Condition
- Fair
- inspected April 2023
- Type
- Slab
- Concrete Continuous
- Length
- 88 ft
- 2 main spans
- Daily traffic
- 43,000
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 29 over Dry Creek is a concrete continuous slab carrying State Route 29 over Dry Creek in Napa County, California. It was built in 1970 and reconstructed in 1997, so it is 55 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 43,000 vehicles a day, roughly 7% of them trucks, projected to reach 55,900 by 2040. The structure is 88 ft (26.7 m) long and 98 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 29 over Dry Creek built?
It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1997.
What condition is State Route 29 over Dry 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 2023.
How much traffic does State Route 29 over Dry Creek carry?
About 43,000 vehicles per day (2017 count), of which roughly 7% are trucks.
How long is State Route 29 over Dry Creek?
The structure is 88 ft (26.7 m) long with a longest span of 42 ft (12.8 m) and a deck 98 ft wide.
Who owns State Route 29 over Dry Creek?
It is owned by the State Highway Agency.