185th & Baseline over Willow Creek EB
FairWashington County, Oregon · At Baseline Road · Structure no. 671330088900100
- Built
- 1988
- 37 years old
- Condition
- Fair
- inspected September 2024
- Type
- Culvert
- Concrete
- Length
- 33 ft
- 2 main spans
- Daily traffic
- 21,247
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
185th & Baseline over Willow Creek EB is a concrete culvert carrying 185th & Baseline over Willow Creek EB in Washington County, Oregon. It was built in 1988, so it is 37 years old, younger than the Oregon average of 49.9 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 21,247 vehicles a day, roughly 5% of them trucks, projected to reach 23,433 by 2025. The structure is 33 ft (10.1 m) long. 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 185th & Baseline over Willow Creek EB built?
It was built in 1988, making it 37 years old in 2025.
What condition is 185th & Baseline over Willow Creek EB 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 185th & Baseline over Willow Creek EB carry?
About 21,247 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is 185th & Baseline over Willow Creek EB?
The structure is 33 ft (10.1 m) long with a longest span of 15 ft (4.6 m).
Who owns 185th & Baseline over Willow Creek EB?
It is owned by the County Highway Agency.