Bicentennial Way over Fountaingrove Parkway
FairSonoma County, California · 0.5 MI E of RTE 101 · Structure no. 20C0487
- Built
- 1985
- 40 years old
- Condition
- Fair
- inspected June 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 186 ft
- 2 main spans
- Daily traffic
- 3,000
- 2019 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Bicentennial Way over Fountaingrove Parkway is a prestressed concrete continuous box beam or girders - multiple carrying Bicentennial Way over Fountaingrove Parkway in Sonoma County, California. It was built in 1985, so it is 40 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 3,000 vehicles a day, roughly 1% of them trucks, projected to reach 2,088 by 2044. The structure is 186 ft (56.6 m) long and 21 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 | 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 Bicentennial Way over Fountaingrove Parkway built?
It was built in 1985, making it 40 years old in 2025.
What condition is Bicentennial Way over Fountaingrove Parkway 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 June 2024.
How much traffic does Bicentennial Way over Fountaingrove Parkway carry?
About 3,000 vehicles per day (2019 count), of which roughly 1% are trucks.
How long is Bicentennial Way over Fountaingrove Parkway?
The structure is 186 ft (56.6 m) long with a longest span of 101 ft (30.9 m) and a deck 21 ft wide.
Who owns Bicentennial Way over Fountaingrove Parkway?
It is owned by the City or Municipal Highway Agency.