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I-90 HOV TRAFFIC over SEATTLE CITY STREETS

Map

Coordinates:
+47.59569, -122.32783
47°35'44" N, 122°19'40" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-90 HOV TRAFFIC over SEATTLE CITY STREETS
Structure number:0013502B0000000
Location:0.2 W JCT I-5
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:154.9 ft. [47.2 m]
Total length:1436.1 ft. [437.7 m]
Roadway width between curbs:40.4 ft. [12.3 m]
Deck width edge-to-edge:43.3 ft. [13.2 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:State Highway Agency [01]
Year built:1991
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:11
Main spans material:Prestressed concrete continuous [6]
Main spans design:Box Beam or girders - Single or Spread [06]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: June 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:1,041 [as of 2012]
Truck traffic:28% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:69.8
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$24,125,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2017GoodGoodGoodGood104169.8
June 2015GoodGoodGoodGood104169.5
June 2013GoodGoodGoodGood84569.5
July 2011GoodGoodGoodGood84569.5
July 2009GoodGoodGoodGood110569.5
November 2007GoodGoodGoodGood179769.5
November 2005GoodGoodGoodGood3192069.5
December 2003GoodGoodGoodGood3192069.5
September 2001GoodGoodGoodGood3192069.5
May 1999GoodVery GoodGoodGood3192067.5
April 1997GoodGoodGoodGood3192064.2
December 1995GoodGoodGoodGood3192075.0
May 1993GoodGoodGoodGood1100098.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Closed Web/Box Girderlinear ft.2,3002,300000
Deck
Reinforced Concrete Decksq. ft.79,84879,848000
Wearing Surfacessq. ft.79,848079,84800
Substructure
Reinforced Concrete Columneach2020000
Joints
Assembly with Sealeach192019200
Bearings
Movable Bearingeach2414640
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.5,7445,744000