Madison Street over Washington Creek
FairSonoma County, California · North of Holly Lane · Structure no. 20C0564
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected June 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 37 ft
- 3 main spans
- Daily traffic
- 300
- 2013 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Madison Street over Washington Creek is a concrete continuous culvert carrying Madison Street over Washington Creek in Sonoma County, California. It was built in 1970, so it is 55 years old, older 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 300 vehicles a day, roughly 3% of them trucks, projected to reach 417 by 2045. The structure is 37 ft (11.3 m) long and 42 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 |
|---|---|---|
| Channel and channel protection | 9 Excellent | No problems noted. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Madison Street over Washington Creek built?
It was built in 1970, making it 55 years old in 2025.
What condition is Madison Street over Washington Creek 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 2023.
How much traffic does Madison Street over Washington Creek carry?
About 300 vehicles per day (2013 count), of which roughly 3% are trucks.
How long is Madison Street over Washington Creek?
The structure is 37 ft (11.3 m) long with a longest span of 10 ft (3 m) and a deck 42 ft wide.
Who owns Madison Street over Washington Creek?
It is owned by the City or Municipal Highway Agency.