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RAMP TO EB SR 520 over ARBORETUM

Map 

Coordinates:
+47.64439, -122.30446
47°38'40" N, 122°18'16" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:RAMP TO EB SR 520 over ARBORETUM
Structure number:0006872B0000000
Location:0.4 E JCT SR 513
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:100.1 ft. [30.5 m]
Total length:384.9 ft. [117.3 m]
Roadway width between curbs:59.1 ft. [18.0 m]
Deck width edge-to-edge:64.0 ft. [19.5 m]
Skew angle:47°
Owner:State Highway Agency [01]
Year built:1963
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:5
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: April 2016 

Status:Open, no restriction [A]
Average daily traffic:3,084 [as of 2012]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 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:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:47.5 tons [43.2 metric tons]
Inventory rating:27.7 tons [25.2 metric tons]
Sufficiency rating:90.4

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201690.4Not deficientSatisfactoryGoodGood3084
June 201490.4Not deficientSatisfactoryGoodGood3084
July 201290.2Not deficientSatisfactoryGoodGood4810
August 201090.2Not deficientSatisfactoryGoodGood4854
July 200890.2Not deficientSatisfactoryGoodGood4854
December 200690.2Not deficientSatisfactoryGoodGood4963
November 200490.2Not deficientSatisfactoryGoodGood4963
October 200290.2Not deficientGoodGoodGood4963
December 200090.2Not deficientGoodGoodGood4963
September 199883.9Not deficientSatisfactoryGoodGood5105
May 199696.6Not deficientSatisfactoryGoodGood5105
December 199496.6Not deficientSatisfactoryGoodGood5105
April 199277.7Functionally obsoleteSatisfactoryGoodGood2980