Island Crest Way over I-90
GoodKing County, Washington · 4.0 E JCT SR 900 · Structure no. 0013195E0000000
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 258 ft
- 3 main spans
- Daily traffic
- 9,063
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
Island Crest Way over I-90 is a concrete continuous box beam or girders - multiple carrying Island Crest Way over I-90 in King County, Washington. It was built in 1989, so it is 36 years old, younger 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 9,063 vehicles a day, roughly 2% of them trucks, projected to reach 15,634 by 2036. The structure is 258 ft (78.6 m) long and 136 ft wide.
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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Island Crest Way over I-90 built?
It was built in 1989, making it 36 years old in 2025.
What condition is Island Crest Way over I-90 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 March 2024.
How much traffic does Island Crest Way over I-90 carry?
About 9,063 vehicles per day (2007 count), of which roughly 2% are trucks.
How long is Island Crest Way over I-90?
The structure is 258 ft (78.6 m) long with a longest span of 101 ft (30.8 m) and a deck 136 ft wide.
Who owns Island Crest Way over I-90?
It is owned by the State Highway Agency.