I-90 over Yakima River
GoodKittitas County, Washington · 0.4 E JCT SR 970 · Structure no. 0007582B0000000
- Built
- 1965
- 60 years old
- Condition
- Good
- inspected October 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 390 ft
- 5 main spans
- Daily traffic
- 14,717
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-90 over Yakima River is a concrete continuous box beam or girders - multiple carrying I-90 over Yakima River in Kittitas County, Washington. It was built in 1965, so it is 60 years old, older than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 14,717 vehicles a day, roughly 23% of them trucks, projected to reach 18,248 by 2039. The structure is 390 ft (118.9 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
| 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 1965, making it 60 years old in 2025.
What condition is I-90 over Yakima River in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.
How much traffic does I-90 over Yakima River carry?
About 14,717 vehicles per day (2023 count), of which roughly 23% are trucks.
How long is I-90 over Yakima River?
The structure is 390 ft (118.9 m) long with a longest span of 110 ft (33.5 m) and a deck 35 ft wide.
Who owns I-90 over Yakima River?
It is owned by the State Highway Agency.