Spring Hill RD over Tualatin River
FairWashington County, Oregon · 004 MI S R/R Ing · Structure no. 671256062900060
- Built
- 1972
- 53 years old
- Condition
- Fair
- inspected September 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 162 ft
- 4 main spans
- Daily traffic
- 1,274
- 2010 count
- Owner
- County
- County Highway Agency
About this bridge
Spring Hill RD over Tualatin River is a prestressed concrete slab carrying Spring Hill RD over Tualatin River in Washington County, Oregon. It was built in 1972, so it is 53 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 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 1,274 vehicles a day, roughly 10% of them trucks, projected to reach 1,530 by 2030. The structure is 162 ft (49.4 m) long and 32 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Spring Hill RD over Tualatin River built?
It was built in 1972, making it 53 years old in 2025.
What condition is Spring Hill RD over Tualatin River 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 September 2024.
How much traffic does Spring Hill RD over Tualatin River carry?
About 1,274 vehicles per day (2010 count), of which roughly 10% are trucks.
How long is Spring Hill RD over Tualatin River?
The structure is 162 ft (49.4 m) long with a longest span of 42 ft (12.8 m) and a deck 32 ft wide.
Who owns Spring Hill RD over Tualatin River?
It is owned by the County Highway Agency.