N-n Ramp over I-5

Good Condition15 years old46,602 vehicles/day

Location

StateWashington
CountyPierce
LocationJct SR 16
CarriesN-n Ramp
CrossesI-5
Coordinates47.22850, -122.46111

Condition Ratings

Overall ConditionGood
Deck8 (Very Good)
Superstructure8 (Very Good)
Substructure8 (Very Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignSegmental Box Girder
Total Length1061.0 ft (323.4 m)
Max Span294.9 ft (89.9 m)
Deck Width44.9 ft (13.7 m)
Deck Area4430.6 sq m
Main Spans4
Year Built2011

Traffic

Avg Daily Traffic46,602 (2023)
Truck Traffic5%
Lanes On Bridge2
Lanes Under Bridge11

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number0017594A0000000

Nearby Bridges