Old Tv HWY #47 over Tualatin River Overflow
FairWashington County, Oregon · 0025 MI W Tualatin River · Structure no. 671406C02902610
- Built
- 1934
- 91 years old
- Condition
- Fair
- inspected September 2024
- Type
- Slab
- Concrete Continuous
- Length
- 62 ft
- 5 main spans
- Daily traffic
- 576
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Old Tv HWY #47 over Tualatin River Overflow is a concrete continuous slab carrying Old Tv HWY #47 over Tualatin River Overflow in Washington County, Oregon. It was built in 1934, so it is 91 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 576 vehicles a day, roughly 5% of them trucks, projected to reach 651 by 2025. The structure is 62 ft (18.9 m) long and 33 ft wide.
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 | 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 Old Tv HWY #47 over Tualatin River Overflow built?
It was built in 1934, making it 91 years old in 2025.
What condition is Old Tv HWY #47 over Tualatin River 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 September 2024.
How much traffic does Old Tv HWY #47 over Tualatin River Overflow carry?
About 576 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is Old Tv HWY #47 over Tualatin River Overflow?
The structure is 62 ft (18.9 m) long with a longest span of 12 ft (3.7 m) and a deck 33 ft wide.
Who owns Old Tv HWY #47 over Tualatin River Overflow?
It is owned by the County Highway Agency.