Or 47 (hwy 102) over West Fork Dairy Creek
FairPosted for loadWashington County, Oregon · 033 MI N Forest Grove · Structure no. 02347 102 08634
- Built
- 1937
- 88 years old
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 87 ft
- 3 main spans
- Daily traffic
- 6,189
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Or 47 (hwy 102) over West Fork Dairy Creek is a wood or timber stringer/multi-beam or girder carrying Or 47 (hwy 102) over West Fork Dairy Creek in Washington County, Oregon. It was built in 1937, so it is 88 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.
It carries about 6,189 vehicles a day, roughly 19% of them trucks, projected to reach 14,700 by 2042. The structure is 87 ft (26.5 m) long and 29 ft wide. If it were closed, the detour would be 28 mi (45 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Or 47 (hwy 102) over West Fork Dairy Creek built?
It was built in 1937, making it 88 years old in 2025.
What condition is Or 47 (hwy 102) over West Fork Dairy 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 October 2024.
How much traffic does Or 47 (hwy 102) over West Fork Dairy Creek carry?
About 6,189 vehicles per day (2022 count), of which roughly 19% are trucks.
How long is Or 47 (hwy 102) over West Fork Dairy Creek?
The structure is 87 ft (26.5 m) long with a longest span of 29 ft (8.8 m) and a deck 29 ft wide.
Who owns Or 47 (hwy 102) over West Fork Dairy Creek?
It is owned by the State Highway Agency.