Main Street over Dutch Bill Creek
GoodSonoma County, California · Main Street at Tyrone · Structure no. 20C0159
- Built
- 1975
- 50 years old
- Condition
- Good
- inspected November 2022
- Type
- Slab
- Concrete Continuous
- Length
- 113 ft
- 3 main spans
- Daily traffic
- 1,600
- 2015 count
- Owner
- County
- County Highway Agency
About this bridge
Main Street over Dutch Bill Creek is a concrete continuous slab carrying Main Street over Dutch Bill Creek in Sonoma County, California. It was built in 1975, so it is 50 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,600 vehicles a day, roughly 2% of them trucks, projected to reach 1,211 by 2044. The structure is 113 ft (34.3 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Main Street over Dutch Bill Creek built?
It was built in 1975, making it 50 years old in 2025.
What condition is Main Street over Dutch Bill Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2022.
How much traffic does Main Street over Dutch Bill Creek carry?
About 1,600 vehicles per day (2015 count), of which roughly 2% are trucks.
How long is Main Street over Dutch Bill Creek?
The structure is 113 ft (34.3 m) long with a longest span of 44 ft (13.4 m) and a deck 32 ft wide.
Who owns Main Street over Dutch Bill Creek?
It is owned by the County Highway Agency.