I-90 over S Fk Snoqualmie River
GoodKing County, Washington · 6.4 E JCT SR 202 · Structure no. 0008914C0000000
- Built
- 1971
- 54 years old
- Condition
- Good
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 207 ft
- 1 main span
- Daily traffic
- 19,222
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-90 over S Fk Snoqualmie River is a prestressed concrete continuous stringer/multi-beam or girder carrying I-90 over S Fk Snoqualmie River in King County, Washington. It was built in 1971, so it is 54 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 19,222 vehicles a day, roughly 18% of them trucks, projected to reach 26,226 by 2039. The structure is 207 ft (63.1 m) long and 71 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 1971, making it 54 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 June 2023.
How much traffic does I-90 over S Fk Snoqualmie River carry?
About 19,222 vehicles per day (2023 count), of which roughly 18% are trucks.
How long is I-90 over S Fk Snoqualmie River?
The structure is 207 ft (63.1 m) long with a longest span of 119 ft (36.3 m) and a deck 71 ft wide.
Who owns I-90 over S Fk Snoqualmie River?
It is owned by the State Highway Agency.