Geysers RD over Hillside
FairSonoma County, California · 0.1 MI E/O Big Sulphur CR · Structure no. 20C0534
- Built
- 1999
- 26 years old
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 82 ft
- 4 main spans
- Daily traffic
- 150
- 2008 count
- Owner
- County
- County Highway Agency
About this bridge
Geysers RD over Hillside is a steel continuous stringer/multi-beam or girder carrying Geysers RD over Hillside in Sonoma County, California. It was built in 1999, so it is 26 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 150 vehicles a day, roughly 5% of them trucks, projected to reach 448 by 2043. The structure is 82 ft (25 m) long and 6 ft wide. If it were closed, the detour would be 62.1 mi (100 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 Geysers RD over Hillside built?
It was built in 1999, making it 26 years old in 2025.
What condition is Geysers RD 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 July 2023.
How much traffic does Geysers RD over Hillside carry?
About 150 vehicles per day (2008 count), of which roughly 5% are trucks.
How long is Geysers RD over Hillside?
The structure is 82 ft (25 m) long with a longest span of 20 ft (6.1 m) and a deck 6 ft wide.
Who owns Geysers RD over Hillside?
It is owned by the County Highway Agency.