State Route 29 over State Route 221 (soscol)
GoodNapa County, California · 04-NAP-029-R6.22-NAP · Structure no. 21 0119
- Built
- 2024
- 1 years old
- Condition
- Good
- inspected August 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 139 ft
- 1 main span
- Daily traffic
- 79,300
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 29 over State Route 221 (soscol) is a prestressed concrete box beam or girders - multiple carrying State Route 29 over State Route 221 (soscol) in Napa County, California. It was built in 2024, so it is 1 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 79,300 vehicles a day, roughly 7% of them trucks, projected to reach 85,500 by 2045. The structure is 139 ft (42.5 m) long and 100 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 29 over State Route 221 (soscol) built?
It was built in 2024, making it 1 years old in 2025.
What condition is State Route 29 over State Route 221 (soscol) 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 August 2024.
How much traffic does State Route 29 over State Route 221 (soscol) carry?
About 79,300 vehicles per day (2024 count), of which roughly 7% are trucks.
How long is State Route 29 over State Route 221 (soscol)?
The structure is 139 ft (42.5 m) long with a longest span of 135 ft (41 m) and a deck 100 ft wide.
Who owns State Route 29 over State Route 221 (soscol)?
It is owned by the State Highway Agency.