I-84 (hwy 002) WB over Tanner Creek
FairMultnomah County, Oregon · 3.4 MI W Cascade Locks · Structure no. 02062A002 04014
- Built
- 1950
- 75 years old
- Condition
- Fair
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Concrete Continuous
- Length
- 425 ft
- 6 main spans
- Daily traffic
- 13,724
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
I-84 (hwy 002) WB over Tanner Creek is a concrete continuous stringer/multi-beam or girder carrying I-84 (hwy 002) WB over Tanner Creek in Multnomah County, Oregon. It was built in 1950, so it is 75 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 5 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 13,724 vehicles a day, roughly 20% of them trucks, projected to reach 17,550 by 2042. The structure is 425 ft (129.5 m) long and 46 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 | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-84 (hwy 002) WB over Tanner Creek built?
It was built in 1950, making it 75 years old in 2025.
What condition is I-84 (hwy 002) WB over Tanner Creek 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 June 2023.
How much traffic does I-84 (hwy 002) WB over Tanner Creek carry?
About 13,724 vehicles per day (2022 count), of which roughly 20% are trucks.
How long is I-84 (hwy 002) WB over Tanner Creek?
The structure is 425 ft (129.5 m) long with a longest span of 84 ft (25.6 m) and a deck 46 ft wide.
Who owns I-84 (hwy 002) WB over Tanner Creek?
It is owned by the State Highway Agency.