SE Mt. Si RD over Mf Snoqualmie R

Good Condition18 years old3,500 vehicles/day

Location

StateWashington
CountyKing
Location0.9 Mi N Of I-90
CarriesSE Mt. Si RD
CrossesMf Snoqualmie R
Coordinates47.48700, -121.75944

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length366.1 ft (111.6 m)
Max Span240.2 ft (73.2 m)
Deck Width44.6 ft (13.6 m)
Deck Area1517.8 sq m
Main Spans1
Year Built2008

Traffic

Avg Daily Traffic3,500 (2020)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last Inspection924
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number087792000000000

Nearby Bridges

436th AVE SE over I-90 1.0 mi Fair I-90 over Bnrr (removed) 1.2 mi Fair I-90 over 424th AVE SE 1.2 mi Fair I-90 over 424th AVE SE 1.2 mi Fair I-90 over Bnrr (removed) 1.2 mi Fair I-90 over S Fk Snoqualmie River 1.3 mi Good I-90 over S Fk Snoqualmie River 1.3 mi Good SR 202 over S Fk Snoqualmie River 1.5 mi Good 436th AVE SE over S Fk Snoqualmie 1.5 mi Fair SW Mt Si BLVD over Ribary Creek 1.6 mi Fair