I-90 over Yakima River
FairKittitas County, Washington · 24.1 E JCT SR 906 · Structure no. 0000267A0000000
- Built
- 1917
- 108 years old, rebuilt 1930
- Condition
- Fair
- inspected September 2023
- Type
- Arch - Deck
- Concrete Continuous
- Length
- 206 ft
- 2 main spans
- Daily traffic
- 17,681
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-90 over Yakima River is a concrete continuous arch - deck carrying I-90 over Yakima River in Kittitas County, Washington. It was built in 1917 and reconstructed in 1930, so it is 108 years old, older 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 17,681 vehicles a day, roughly 23% of them trucks, projected to reach 22,727 by 2039. The structure is 206 ft (62.8 m) long and 43 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. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-90 over Yakima River built?
It was built in 1917, making it 108 years old in 2025. It was reconstructed in 1930.
What condition is I-90 over Yakima River 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 Yakima River carry?
About 17,681 vehicles per day (2023 count), of which roughly 23% are trucks.
How long is I-90 over Yakima River?
The structure is 206 ft (62.8 m) long with a longest span of 100 ft (30.5 m) and a deck 43 ft wide.
Who owns I-90 over Yakima River?
It is owned by the State Highway Agency.