I-90 over S Fk Snoqualmie River
GoodKing County, Washington · 1.3 E JCT SR 202 · Structure no. 0009814A0000000
- Built
- 1975
- 50 years old
- Condition
- Good
- inspected July 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 484 ft
- 4 main spans
- Daily traffic
- 24,954
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-90 over S Fk Snoqualmie River is a concrete continuous box beam or girders - multiple carrying I-90 over S Fk Snoqualmie River in King County, Washington. It was built in 1975, so it is 50 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 24,954 vehicles a day, roughly 18% of them trucks, projected to reach 34,071 by 2039. The structure is 484 ft (147.5 m) long and 55 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-90 over S Fk Snoqualmie River built?
It was built in 1975, making it 50 years old in 2025.
What condition is I-90 over S Fk Snoqualmie 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 July 2023.
How much traffic does I-90 over S Fk Snoqualmie River carry?
About 24,954 vehicles per day (2023 count), of which roughly 18% are trucks.
How long is I-90 over S Fk Snoqualmie River?
The structure is 484 ft (147.5 m) long with a longest span of 145 ft (44.2 m) and a deck 55 ft wide.
Who owns I-90 over S Fk Snoqualmie River?
It is owned by the State Highway Agency.