Redwood Ave over Hillside
FairSonoma County, California · Near Camp Meeker · Structure no. 20C0546
- Built
- 1980
- 45 years old
- Condition
- Fair
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 23 ft
- 1 main span
- Daily traffic
- 50
- 2015 count
- Owner
- County
- County Highway Agency
About this bridge
Redwood Ave over Hillside is a steel stringer/multi-beam or girder carrying Redwood Ave over Hillside in Sonoma County, California. It was built in 1980, so it is 45 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 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 50 vehicles a day, roughly 1% of them trucks, projected to reach 54 by 2040. The structure is 23 ft (7 m) long and 15 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Redwood Ave over Hillside built?
It was built in 1980, making it 45 years old in 2025.
What condition is Redwood Ave over Hillside 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 October 2023.
How much traffic does Redwood Ave over Hillside carry?
About 50 vehicles per day (2015 count), of which roughly 1% are trucks.
How long is Redwood Ave over Hillside?
The structure is 23 ft (7 m) long with a longest span of 23 ft (6.9 m) and a deck 15 ft wide.
Who owns Redwood Ave over Hillside?
It is owned by the County Highway Agency.