I-84 (hwy 002) WB over Three Mile Canyon West
FairMorrow County, Oregon · 046 MI E Heppner JCT · Structure no. 09307 002 15175
- Built
- 1965
- 60 years old
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 144 ft
- 3 main spans
- Daily traffic
- 7,162
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
I-84 (hwy 002) WB over Three Mile Canyon West is a prestressed concrete stringer/multi-beam or girder carrying I-84 (hwy 002) WB over Three Mile Canyon West in Morrow County, Oregon. It was built in 1965, so it is 60 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 7,162 vehicles a day, roughly 26% of them trucks, projected to reach 8,450 by 2042. The structure is 144 ft (43.9 m) long and 41 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 | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-84 (hwy 002) WB over Three Mile Canyon West built?
It was built in 1965, making it 60 years old in 2025.
What condition is I-84 (hwy 002) WB over Three Mile Canyon West 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 July 2024.
How much traffic does I-84 (hwy 002) WB over Three Mile Canyon West carry?
About 7,162 vehicles per day (2022 count), of which roughly 26% are trucks.
How long is I-84 (hwy 002) WB over Three Mile Canyon West?
The structure is 144 ft (43.9 m) long with a longest span of 48 ft (14.6 m) and a deck 41 ft wide.
Who owns I-84 (hwy 002) WB over Three Mile Canyon West?
It is owned by the State Highway Agency.