Farmington Road over Tualatin River
GoodWashington County, Oregon · 8.0 MI SW Beaverton Cc · Structure no. 20069 142 00184
- Built
- 2005
- 20 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 400 ft
- 4 main spans
- Daily traffic
- 14,820
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Farmington Road over Tualatin River is a prestressed concrete stringer/multi-beam or girder carrying Farmington Road over Tualatin River in Washington County, Oregon. It was built in 2005, so it is 20 years old, younger than the Oregon average of 49.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 14,820 vehicles a day, roughly 1% of them trucks, projected to reach 22,000 by 2042. The structure is 400 ft (121.9 m) long and 43 ft wide. If it were closed, the detour would be 6.8 mi (11 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Farmington Road over Tualatin River built?
It was built in 2005, making it 20 years old in 2025.
What condition is Farmington Road over Tualatin River in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.
How much traffic does Farmington Road over Tualatin River carry?
About 14,820 vehicles per day (2022 count), of which roughly 1% are trucks.
How long is Farmington Road over Tualatin River?
The structure is 400 ft (121.9 m) long with a longest span of 108 ft (33 m) and a deck 43 ft wide.
Who owns Farmington Road over Tualatin River?
It is owned by the County Highway Agency.