I-90 over Rainier Ave
FairKing County, Washington · 0.6 E JCT I-5 · Structure no. 0013190A0000000
- Built
- 1988
- 37 years old
- Condition
- Fair
- inspected September 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 307 ft
- 3 main spans
- Daily traffic
- 56,847
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-90 over Rainier Ave is a prestressed concrete continuous box beam or girders - multiple carrying I-90 over Rainier Ave in King County, Washington. It was built in 1988, so it is 37 years old, younger than the Washington average of 49.8 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 56,847 vehicles a day, roughly 3% of them trucks, projected to reach 86,006 by 2039. The structure is 307 ft (93.6 m) long and 83 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 | 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-90 over Rainier Ave built?
It was built in 1988, making it 37 years old in 2025.
What condition is I-90 over Rainier Ave 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 I-90 over Rainier Ave carry?
About 56,847 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is I-90 over Rainier Ave?
The structure is 307 ft (93.6 m) long with a longest span of 121 ft (36.9 m) and a deck 83 ft wide.
Who owns I-90 over Rainier Ave?
It is owned by the State Highway Agency.