SR 99 over DUWAMISH RIVER

0.1 N JCT SR 509 · County 033, Washington · Built 1996 · 3 Lanes · 46,303 vehicles/day

Overall
Fair
Deck
6
Satisfactory
Superstructure
7
Good
Substructure
6
Satisfactory

Bridge Details

Structure #
0014459A0000000
Year Built
1996
Length
882.4 m (2895 ft)
Max Span
89.6 m
Width
17.6 m (57.7 ft)
Lanes
3
Daily Traffic
46,303
Material
Steel
Design
Movable - Bascule
Owner
State Highway Agency
Last Inspected
N/A
Est. Improvement
$30,940,000
Total Project Cost
$61,881,000
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.