Third Street over Napa River
GoodNapa County, California · Just W Soscol Ave · Structure no. 21C0012
- Built
- 2002
- 23 years old
- Condition
- Good
- inspected August 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 352 ft
- 3 main spans
- Daily traffic
- 12,050
- 2013 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Third Street over Napa River is a prestressed concrete continuous box beam or girders - multiple carrying Third Street over Napa River in Napa County, California. It was built in 2002, so it is 23 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 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 12,050 vehicles a day, roughly 10% of them trucks, projected to reach 19,217 by 2041. The structure is 352 ft (107.3 m) long and 90 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Third Street over Napa River built?
It was built in 2002, making it 23 years old in 2025.
What condition is Third Street over Napa River 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 2023.
How much traffic does Third Street over Napa River carry?
About 12,050 vehicles per day (2013 count), of which roughly 10% are trucks.
How long is Third Street over Napa River?
The structure is 352 ft (107.3 m) long with a longest span of 156 ft (47.5 m) and a deck 90 ft wide.
Who owns Third Street over Napa River?
It is owned by the City or Municipal Highway Agency.