I-405 over NE 85th ST

Good Condition55 years old80,423 vehicles/day

Location

StateWashington
CountyKing
Location3.3 N Jct SR 520
CarriesI-405
CrossesNE 85th ST
Coordinates47.67889, -122.18442

Condition Ratings

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

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length223.1 ft (68 m)
Max Span106.0 ft (32.3 m)
Deck Width66.9 ft (20.4 m)
Deck Area1387.2 sq m
Main Spans3
Year Built1971 (reconstructed 1994)

Traffic

Avg Daily Traffic80,423 (2023)
Truck Traffic6%
Lanes On Bridge5
Lanes Under Bridge6

Inspection & Ownership

Last Inspection424
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number0008674E0000000

Nearby Bridges

I-405 over NE 85th ST 0.0 mi Good Central Way over Np Ry 0.3 mi Fair NE 72nd Place over I-405 0.7 mi Good Old Redmond Road over 138th AVE NE 1.5 mi Fair 98 AVE NE over Forbes Creek 1.7 mi Good I-405 over NE 116th ST 1.7 mi Good I-405 over NE 116th ST 1.7 mi Good NE 116th ST over Railroad 1.7 mi Good I-405 over Pedestrian Trail 1.9 mi Good I-405 over Pedestrian Trail 1.9 mi Good