Hoen AV-W12 on Rmp over ST RTE 12 - Farmers Lane
FairSonoma County, California · 04-SON-012-T17.60 · Structure no. 20 0271
- Built
- 2003
- 22 years old
- Condition
- Fair
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 131 ft
- 1 main span
- Daily traffic
- 39,000
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
Hoen AV-W12 on Rmp over ST RTE 12 - Farmers Lane is a prestressed concrete box beam or girders - multiple carrying Hoen AV-W12 on Rmp over ST RTE 12 - Farmers Lane in Sonoma County, California. It was built in 2003, so it is 22 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 39,000 vehicles a day, roughly 4% of them trucks, projected to reach 65,278 by 2046. The structure is 131 ft (39.8 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Hoen AV-W12 on Rmp over ST RTE 12 - Farmers Lane built?
It was built in 2003, making it 22 years old in 2025.
What condition is Hoen AV-W12 on Rmp over ST RTE 12 - Farmers Lane 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 September 2024.
How much traffic does Hoen AV-W12 on Rmp over ST RTE 12 - Farmers Lane carry?
About 39,000 vehicles per day (2014 count), of which roughly 4% are trucks.
How long is Hoen AV-W12 on Rmp over ST RTE 12 - Farmers Lane?
The structure is 131 ft (39.8 m) long with a longest span of 131 ft (39.8 m) and a deck 43 ft wide.
Who owns Hoen AV-W12 on Rmp over ST RTE 12 - Farmers Lane?
It is owned by the State Highway Agency.