I-84 (hwy 002) over Blalock Canyon RD
FairGilliam County, Oregon · 149 MI E Sherman Gill Cln · Structure no. 08945 002 12943
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 157 ft
- 3 main spans
- Daily traffic
- 14,269
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
I-84 (hwy 002) over Blalock Canyon RD is a prestressed concrete stringer/multi-beam or girder carrying I-84 (hwy 002) over Blalock Canyon RD in Gilliam County, Oregon. It was built in 1964, so it is 61 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 14,269 vehicles a day, roughly 33% of them trucks, projected to reach 15,700 by 2042. The structure is 157 ft (47.9 m) long and 78 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 | 7 Good | Some minor problems. |
| 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) over Blalock Canyon RD built?
It was built in 1964, making it 61 years old in 2025.
What condition is I-84 (hwy 002) over Blalock Canyon RD 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 I-84 (hwy 002) over Blalock Canyon RD carry?
About 14,269 vehicles per day (2022 count), of which roughly 33% are trucks.
How long is I-84 (hwy 002) over Blalock Canyon RD?
The structure is 157 ft (47.9 m) long with a longest span of 56 ft (17.1 m) and a deck 78 ft wide.
Who owns I-84 (hwy 002) over Blalock Canyon RD?
It is owned by the State Highway Agency.