Redwood Road over Redwood Creek
FairNapa County, California · S/E of Mt Veeder RD · Structure no. 21C0041
- Built
- 1977
- 48 years old
- Condition
- Fair
- inspected May 2023
- Type
- Box Beam or Girders - Multiple
- Concrete
- Length
- 50 ft
- 1 main span
- Daily traffic
- 1,221
- 2014 count
- Owner
- County
- County Highway Agency
About this bridge
Redwood Road over Redwood Creek is a concrete box beam or girders - multiple carrying Redwood Road over Redwood Creek in Napa County, California. It was built in 1977, so it is 48 years old, younger 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 5 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 1,221 vehicles a day, roughly 10% of them trucks, projected to reach 2,421 by 2040. The structure is 50 ft (15.2 m) long and 34 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Redwood Road over Redwood Creek built?
It was built in 1977, making it 48 years old in 2025.
What condition is Redwood Road over Redwood 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 May 2023.
How much traffic does Redwood Road over Redwood Creek carry?
About 1,221 vehicles per day (2014 count), of which roughly 10% are trucks.
How long is Redwood Road over Redwood Creek?
The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 34 ft wide.
Who owns Redwood Road over Redwood Creek?
It is owned by the County Highway Agency.