SR 20 over SWINOMISH CHAN

9.3 E ISLAND CO · County 057, Washington · Built 1972 · 2 Lanes · 18,383 vehicles/day

Overall
Fair
Deck
7
Good
Superstructure
6
Satisfactory
Substructure
7
Good

Bridge Details

Structure #
0009107A0000000
Year Built
1972
Length
993.3 m (3258.9 ft)
Max Span
75 m
Width
11.1 m (36.4 ft)
Lanes
2
Daily Traffic
18,383
Material
Steel Continuous
Design
Stringer/Multi-beam or Girder
Owner
State Highway Agency
Last Inspected
N/A
Est. Improvement
$34,056,000
Total Project Cost
$68,113,000
Data from FHWA National Bridge Inventory. Bridge conditions may have changed since the last inspection. This site is not affiliated with FHWA. Do not use for route clearance purposes.