SR 525 over SR 99

Good Condition25 years old58,122 vehicles/day

Location

StateWashington
CountySnohomish
Location2.7 N Jct I-5
CarriesSR 525
CrossesSR 99
Coordinates47.86899, -122.27717

Condition Ratings

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

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length217.8 ft (66.4 m)
Max Span113.8 ft (34.7 m)
Deck Width125.0 ft (38.1 m)
Deck Area2529.8 sq m
Main Spans2
Year Built2001

Traffic

Avg Daily Traffic58,122 (2023)
Truck Traffic4%
Lanes On Bridge6
Lanes Under Bridge6

Inspection & Ownership

Last Inspection823
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number0015688A0000000

Nearby Bridges

148th ST SW over SR 525 0.3 mi Good Gibson Rd. over Swamp Creek 1.2 mi Good 164th ST SW over SR 525 1.3 mi Fair 164th ST SW over Swamp Creek 1.4 mi Fair Ash Way Access over I-5 SB 1.5 mi Fair 164th ST SW over I-5 1.6 mi Fair Ash Way over Swamp Creek 1.7 mi Good SR 525 over Alderwood Mall PKWY 2.1 mi Good SR 96(128th ST Sw) over I-5 2.2 mi Fair Access Road A over Wetland 2.2 mi Good