US 26 (hwy 047) over West Fork Dairy Creek
PoorWashington County, Oregon · 8.1 MI W HWY 37 JCT · Structure no. 02672 047 04531
- Built
- 1940
- 85 years old, rebuilt 1968
- Condition
- Poor
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 105 ft
- 5 main spans
- Daily traffic
- 9,574
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 26 (hwy 047) over West Fork Dairy Creek is a wood or timber stringer/multi-beam or girder carrying US 26 (hwy 047) over West Fork Dairy Creek in Washington County, Oregon. It was built in 1940 and reconstructed in 1968, so it is 85 years old, older than the Oregon average of 49.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 9,574 vehicles a day, roughly 6% of them trucks, projected to reach 12,500 by 2042. The structure is 105 ft (32 m) long and 55 ft wide. If it were closed, the detour would be 24.9 mi (40 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 26 (hwy 047) over West Fork Dairy Creek built?
It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1968.
What condition is US 26 (hwy 047) over West Fork Dairy Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.
How much traffic does US 26 (hwy 047) over West Fork Dairy Creek carry?
About 9,574 vehicles per day (2022 count), of which roughly 6% are trucks.
How long is US 26 (hwy 047) over West Fork Dairy Creek?
The structure is 105 ft (32 m) long with a longest span of 21 ft (6.4 m) and a deck 55 ft wide.
Who owns US 26 (hwy 047) over West Fork Dairy Creek?
It is owned by the State Highway Agency.