Monohan Landing RD over Wilson Creek

Good Condition34 years old461 vehicles/day

Location

StateWashington
CountyPacific
Location4.0 E Jct 105 & 101
CarriesMonohan Landing RD
CrossesWilson Creek
Coordinates46.67733, -123.66956

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure8 (Very Good)
Substructure8 (Very Good)
Channel/Waterway8 (Very Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length130.2 ft (39.7 m)
Max Span122.7 ft (37.4 m)
Deck Width30.8 ft (9.4 m)
Deck Area373.2 sq m
Main Spans1
Year Built1992

Traffic

Avg Daily Traffic461 (2023)
Truck Traffic15%
Lanes On Bridge2

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number083691000000000

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