I-405 N-W RAMP over SAMMAMISH R I-405 SR 5

8.7 N JCT SR 520 · County 033, Washington · Built 1968 · 1 Lanes · 8,770 vehicles/day

Overall
Fair
Deck
7
Good
Superstructure
6
Satisfactory
Substructure
7
Good

Bridge Details

Structure #
0008382D0000000
Year Built
1968
Length
447.8 m (1469.2 ft)
Max Span
33.2 m
Width
8.4 m (27.6 ft)
Lanes
1
Daily Traffic
8,770
Material
Concrete Continuous
Design
Box Beam or Girders - Multiple
Owner
State Highway Agency
Last Inspected
N/A
Est. Improvement
$9,769,000
Total Project Cost
$19,538,000
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.