NW Amberwood Drive over Rock CR
FairWashington County, Oregon · .4 MI E Cornelius Pass · Structure no. 18740 114500600
- Built
- 1998
- 27 years old
- Condition
- Fair
- inspected July 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 82 ft
- 1 main span
- Daily traffic
- 2,833
- 2020 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
NW Amberwood Drive over Rock CR is a prestressed concrete tee beam carrying NW Amberwood Drive over Rock CR in Washington County, Oregon. It was built in 1998, so it is 27 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 2,833 vehicles a day, roughly 18% of them trucks, projected to reach 3,125 by 2025. The structure is 82 ft (25 m) long and 62 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 NW Amberwood Drive over Rock CR built?
It was built in 1998, making it 27 years old in 2025.
What condition is NW Amberwood Drive over Rock CR 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 July 2024.
How much traffic does NW Amberwood Drive over Rock CR carry?
About 2,833 vehicles per day (2020 count), of which roughly 18% are trucks.
How long is NW Amberwood Drive over Rock CR?
The structure is 82 ft (25 m) long with a longest span of 80 ft (24.4 m) and a deck 62 ft wide.
Who owns NW Amberwood Drive over Rock CR?
It is owned by the City or Municipal Highway Agency.