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I-90 W-N RAMP over 4TH AVE AND SOUND TRANS

Map

Coordinates:
+47.59167, -122.32861
47°35'30" N, 122°19'43" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-90 W-N RAMP over 4TH AVE AND SOUND TRANS
Structure number:0017597A0000000
Location:0.4 W JCT I-5
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:275.9 ft. [84.1 m]
Total length:1154.9 ft. [352.0 m]
Roadway width between curbs:22.0 ft. [6.7 m]
Deck width edge-to-edge:45.9 ft. [14.0 m]
Vertical clearance below bridge:14.8 ft. [4.5 m]
Owner:State Highway Agency [01]
Year built:2010
Historic significance:Historical significance is not determinable at this time [4]
Number of main spans:5
Main spans material:Prestressed concrete [5]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: June 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:11,000 [as of 2009]
Truck traffic:9% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:98.8 tons [89.8 metric tons]
Inventory rating:65.9 tons [59.9 metric tons]
Sufficiency rating:77.7
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$10,164,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
June 201777.7GoodVery GoodGoodVery Good-11000
June 201577.7GoodVery GoodGoodVery Good-11000
June 201377.7GoodVery GoodGoodVery Good-11000
June 201090.0GoodVery GoodGoodVery Good--

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Prestressed Concrete Closed Web/Box Girderlinear ft.1,1551,10520300
Deck
Reinforced Concrete Decksq. ft.45,04545,040005
Substructure
Reinforced Concrete Columneach1111000
Reinforced Concrete Pier Caplinear ft.7474000
Joints
Strip Seal Jointlinear ft.5905900
Assembly with Sealeach3903900
Bearings
Disk Bearingeach66000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,9811,981000