S Cloverdale Blvd over US Highway 101
FairSonoma County, California · 04-SON-101-R50.43 · Structure no. 20 0248
- Built
- 1991
- 34 years old
- Condition
- Fair
- inspected May 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 216 ft
- 2 main spans
- Daily traffic
- 21,700
- 2010 count
- Owner
- State
- State Highway Agency
About this bridge
S Cloverdale Blvd over US Highway 101 is a prestressed concrete continuous box beam or girders - multiple carrying S Cloverdale Blvd over US Highway 101 in Sonoma County, California. It was built in 1991, so it is 34 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 21,700 vehicles a day, roughly 9% of them trucks, projected to reach 39,524 by 2041. The structure is 216 ft (65.8 m) long and 68 ft wide. If it were closed, the detour would be 6.2 mi (10 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S Cloverdale Blvd over US Highway 101 built?
It was built in 1991, making it 34 years old in 2025.
What condition is S Cloverdale Blvd over US Highway 101 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 S Cloverdale Blvd over US Highway 101 carry?
About 21,700 vehicles per day (2010 count), of which roughly 9% are trucks.
How long is S Cloverdale Blvd over US Highway 101?
The structure is 216 ft (65.8 m) long with a longest span of 108 ft (33 m) and a deck 68 ft wide.
Who owns S Cloverdale Blvd over US Highway 101?
It is owned by the State Highway Agency.