Or 47 (hwy 102) over Dairy Creek Overflow
FairWashington County, Oregon · 32 MI N Forest Grove · Structure no. 02067A102 08639
- Built
- 1978
- 47 years old
- Condition
- Fair
- inspected October 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 35 ft
- 1 main span
- Daily traffic
- 6,189
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Or 47 (hwy 102) over Dairy Creek Overflow is a prestressed concrete slab carrying Or 47 (hwy 102) over Dairy Creek Overflow in Washington County, Oregon. It was built in 1978, so it is 47 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 6,189 vehicles a day, roughly 19% of them trucks, projected to reach 14,700 by 2042. The structure is 35 ft (10.7 m) long and 44 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 9 Excellent | No problems noted. |
| 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 Dairy Creek Overflow built?
It was built in 1978, making it 47 years old in 2025.
What condition is Or 47 (hwy 102) over Dairy Creek Overflow 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 Dairy Creek Overflow carry?
About 6,189 vehicles per day (2022 count), of which roughly 19% are trucks.
How long is Or 47 (hwy 102) over Dairy Creek Overflow?
The structure is 35 ft (10.7 m) long with a longest span of 35 ft (10.7 m) and a deck 44 ft wide.
Who owns Or 47 (hwy 102) over Dairy Creek Overflow?
It is owned by the State Highway Agency.