SB SR 16 over Tacoma Narrows

Good Condition19 years old44,741 vehicles/day

Location

StateWashington
CountyPierce
Location1.5 N Jct SR 163
CarriesSB SR 16
CrossesTacoma Narrows
Coordinates47.26403, -122.54669

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure8 (Very Good)
Substructure7 (Good)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel Continuous
DesignSuspension
Total Length5569.9 ft (1697.7 m)
Max Span2799.9 ft (853.4 m)
Deck Width67.3 ft (20.5 m)
Deck Area34802.8 sq m
Main Spans3
Year Built2007

Traffic

Avg Daily Traffic44,741 (2023)
Truck Traffic5%
Lanes On Bridge4

Inspection & Ownership

Last Inspection824
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceHistorical significance is not determined
Structure Number0016441A0000000

Nearby Bridges