Redwood Road over Redwood Creek
GoodNapa County, California · At Dry Creek Road · Structure no. 21C0043
- Built
- 1982
- 43 years old
- Condition
- Good
- inspected August 2021
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 80 ft
- 1 main span
- Daily traffic
- 3,631
- 2017 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Redwood Road over Redwood Creek is a prestressed concrete box beam or girders - multiple carrying Redwood Road over Redwood Creek in Napa County, California. It was built in 1982, so it is 43 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 3,631 vehicles a day, roughly 10% of them trucks, projected to reach 13,711 by 2043. The structure is 80 ft (24.4 m) long and 52 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Redwood Road over Redwood Creek built?
It was built in 1982, making it 43 years old in 2025.
What condition is Redwood Road over Redwood 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 August 2021.
How much traffic does Redwood Road over Redwood Creek carry?
About 3,631 vehicles per day (2017 count), of which roughly 10% are trucks.
How long is Redwood Road over Redwood Creek?
The structure is 80 ft (24.4 m) long with a longest span of 79 ft (24.1 m) and a deck 52 ft wide.
Who owns Redwood Road over Redwood Creek?
It is owned by the City or Municipal Highway Agency.