I-90 over S Fk Snoqualmie R
PoorKing County, Washington · 9.2 E JCT SR 202 · Structure no. 0009498E0000000
- Built
- 1974
- 51 years old
- Condition
- Poor
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 140 ft
- 1 main span
- Daily traffic
- 18,876
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-90 over S Fk Snoqualmie R is a prestressed concrete stringer/multi-beam or girder carrying I-90 over S Fk Snoqualmie R in King County, Washington. It was built in 1974, so it is 51 years old, older than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 18,876 vehicles a day, roughly 18% of them trucks, projected to reach 25,733 by 2039. The structure is 140 ft (42.7 m) long and 73 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| 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 R built?
It was built in 1974, making it 51 years old in 2025.
What condition is I-90 over S Fk Snoqualmie R in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.
How much traffic does I-90 over S Fk Snoqualmie R carry?
About 18,876 vehicles per day (2023 count), of which roughly 18% are trucks.
How long is I-90 over S Fk Snoqualmie R?
The structure is 140 ft (42.7 m) long with a longest span of 135 ft (41.1 m) and a deck 73 ft wide.
Who owns I-90 over S Fk Snoqualmie R?
It is owned by the State Highway Agency.