Fourth Plain Road over SR 500

Good Condition52 years old18,150 vehicles/day

Location

StateWashington
CountyClark
Location4.4 E Jct I-5
CarriesFourth Plain Road
CrossesSR 500
Coordinates45.65556, -122.57745

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length317.9 ft (96.9 m)
Max Span108.9 ft (33.2 m)
Deck Width81.0 ft (24.7 m)
Deck Area2393.4 sq m
Main Spans4
Year Built1974

Traffic

Avg Daily Traffic18,150 (2012)
Truck Traffic15%
Lanes On Bridge4
Lanes Under Bridge8

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0009448A0000000

Nearby Bridges

Fourth Plain BLVD over I-205 0.3 mi Good SR 500 over I-205 0.3 mi Fair I-205 over Burnt Bridge Creek 0.5 mi Fair E-ns Ramp over NE Ramp 0.5 mi Good SR 500 over Thurston Way 0.5 mi Good NE 110th AVE over Burnt Bridge Creek 0.9 mi Good NE 63rd ST over I-205 0.9 mi Good SR 500 over NE Gher RD & NE 112 AVE 1.0 mi Fair NE Burton RD over Burnt Bridge Creek 1.1 mi Good I-205 over Burton RD 1.2 mi Fair