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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

Facts

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

Good/Fair/Poor Condition:Fair
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. RatingConditionDeckSuperstructureSubstructureSD/FOADT
April 201690.4FairSatisfactoryGoodGood-3084
June 201490.4FairSatisfactoryGoodGood-3084
July 201290.2FairSatisfactoryGoodGood-4810
August 201090.2FairSatisfactoryGoodGood-4854
July 200890.2FairSatisfactoryGoodGood-4854
December 200690.2FairSatisfactoryGoodGood-4963
November 200490.2FairSatisfactoryGoodGood-4963
October 200290.2GoodGoodGoodGood-4963
December 200090.2GoodGoodGoodGood-4963
September 199883.9FairSatisfactoryGoodGood-5105
May 199696.6FairSatisfactoryGoodGood-5105
December 199496.6FairSatisfactoryGoodGood-5105
April 199277.7FairSatisfactoryGoodGoodFO2980

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.3,9203,918020
Deck
Reinforced Concrete Decksq. ft.24,64024,640000
Substructure
Reinforced Concrete Columneach1919000
Reinforced Concrete Abutmentlinear ft.8282000
Reinforced Concrete Pier Caplinear ft.338338000
Joints
Pourable Jointlinear ft.395039500
Bearings
Elastomeric Bearingeach102102000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.385377080
Reinforced Concrete Bridge Raillinear ft.1,1551,155000