HWY 91 over Pnwr
FairWashington County, Oregon · At Tigard Cc · Structure no. 02532 01W 00921
- Built
- 1940
- 85 years old
- Condition
- Fair
- inspected February 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 343 ft
- 7 main spans
- Daily traffic
- 35,507
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
HWY 91 over Pnwr is a concrete continuous tee beam carrying HWY 91 over Pnwr in Washington County, Oregon. It was built in 1940, so it is 85 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 35,507 vehicles a day, roughly 3% of them trucks, projected to reach 40,200 by 2042. The structure is 343 ft (104.5 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was HWY 91 over Pnwr built?
It was built in 1940, making it 85 years old in 2025.
What condition is HWY 91 over Pnwr 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 February 2024.
How much traffic does HWY 91 over Pnwr carry?
About 35,507 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is HWY 91 over Pnwr?
The structure is 343 ft (104.5 m) long with a longest span of 57 ft (17.5 m) and a deck 64 ft wide.
Who owns HWY 91 over Pnwr?
It is owned by the State Highway Agency.