Or 99W (hwy 001W) over Arthur Street
FairPosted for loadMultnomah County, Oregon · 0.6 MI S of Barbur Blvd · Structure no. 05194 01W 00141
- Built
- 1947
- 78 years old
- Condition
- Fair
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 575 ft
- 3 main spans
- Daily traffic
- 18,583
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Or 99W (hwy 001W) over Arthur Street is a steel continuous stringer/multi-beam or girder carrying Or 99W (hwy 001W) over Arthur Street in Multnomah County, Oregon. It was built in 1947, so it is 78 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. Its operating status is: posted for load restriction.
It carries about 18,583 vehicles a day, roughly 1% of them trucks, projected to reach 22,000 by 2042. The structure is 575 ft (175.3 m) long and 76 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Or 99W (hwy 001W) over Arthur Street built?
It was built in 1947, making it 78 years old in 2025.
What condition is Or 99W (hwy 001W) over Arthur Street 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 May 2023.
How much traffic does Or 99W (hwy 001W) over Arthur Street carry?
About 18,583 vehicles per day (2022 count), of which roughly 1% are trucks.
How long is Or 99W (hwy 001W) over Arthur Street?
The structure is 575 ft (175.3 m) long with a longest span of 72 ft (21.8 m) and a deck 76 ft wide.
Who owns Or 99W (hwy 001W) over Arthur Street?
It is owned by the State Highway Agency.