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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
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

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:19.4 ft. [5.9 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:Concrete [1]
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 2015 

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:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:98.0 tons [89.1 metric tons]
Inventory rating:65.3 tons [59.4 metric tons]
Sufficiency rating:77.7

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
June 201577.7Not deficientVery GoodGoodVery Good11000
June 201377.7Not deficientVery GoodGoodVery Good11000
June 201090.0Not deficientVery GoodGoodVery Good-