HWY 123 over HWY 064 and Trimet
FairMultnomah County, Oregon · 0624 MI E Portland Cc · Structure no. 09666 123 01115
- Built
- 1978
- 47 years old
- Condition
- Fair
- inspected September 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 337 ft
- 3 main spans
- Daily traffic
- 29,400
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
HWY 123 over HWY 064 and Trimet is a prestressed concrete continuous box beam or girders - multiple carrying HWY 123 over HWY 064 and Trimet in Multnomah County, Oregon. It was built in 1978, so it is 47 years old, younger 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 29,400 vehicles a day, roughly 8% of them trucks, projected to reach 39,000 by 2042. The structure is 337 ft (102.7 m) long and 104 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 123 over HWY 064 and Trimet built?
It was built in 1978, making it 47 years old in 2025.
What condition is HWY 123 over HWY 064 and Trimet 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 2023.
How much traffic does HWY 123 over HWY 064 and Trimet carry?
About 29,400 vehicles per day (2022 count), of which roughly 8% are trucks.
How long is HWY 123 over HWY 064 and Trimet?
The structure is 337 ft (102.7 m) long with a longest span of 145 ft (44.3 m) and a deck 104 ft wide.
Who owns HWY 123 over HWY 064 and Trimet?
It is owned by the State Highway Agency.