Old 99 over Pilchuck Creek

Poor Condition93 years old428 vehicles/day

Location

StateWashington
CountySnohomish
Location2.0 N Jct SR 530
CarriesOld 99
CrossesPilchuck Creek
Coordinates48.21353, -122.21844

Condition Ratings

Overall ConditionPoor
Deck3 (Serious)
Superstructure5 (Fair)
Substructure5 (Fair)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length180.4 ft (55 m)
Max Span89.9 ft (27.4 m)
Deck Width26.6 ft (8.1 m)
Deck Area445.5 sq m
Main Spans3
Year Built1933

Traffic

Avg Daily Traffic428 (2020)
Truck Traffic10%
Lanes On Bridge1

Inspection & Ownership

Last Inspection724
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number084183000000000

Nearby Bridges