I-90 WB over So Fk Snoqulmie R

Poor Condition55 years old17,601 vehicles/day

Location

StateWashington
CountyKing
Location21.2 E Jct SR 202
CarriesI-90 WB
CrossesSo Fk Snoqulmie R
Coordinates47.42919, -121.42139

Condition Ratings

Overall ConditionPoor
Deck4 (Poor)
Superstructure7 (Good)
Substructure8 (Very Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length394.0 ft (120.1 m)
Max Span108.9 ft (33.2 m)
Deck Width70.5 ft (21.5 m)
Deck Area2582.2 sq m
Main Spans4
Year Built1971

Traffic

Avg Daily Traffic17,601 (2023)
Truck Traffic18%
Lanes On Bridge4
Lanes Under Bridge2

Inspection & Ownership

Last Inspection524
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0008916A0000000

Nearby Bridges