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SR 20 EXTENSION over FRIDAY HBR-SAN JUAN CHAN

Map

Coordinates:
+48.53500, -123.01333
48°32'06" N, 123°00'48" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR 20 EXTENSION over FRIDAY HBR-SAN JUAN CHAN
Structure number:0016737A0000000
Location:NE END SAN JUAN ISL
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Tolls:Yes [1]
Length of largest span:80.1 ft. [24.4 m]
Total length:105.0 ft. [32.0 m]
Roadway width between curbs:20.0 ft. [6.1 m]
Deck width edge-to-edge:24.0 ft. [7.3 m]
Vertical clearance above deck:16.1 ft. [4.9 m]
Owner:State Highway Agency [01]
Year built:2005
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 22.5 / HS 25 [9]
Main span material:Steel [3]
Main span design:Movable - Lift [15]
Deck type:Closed Grating [4]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: September 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:2,587 [as of 2010]
Truck traffic:3% 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]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:50.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$1,008,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2018GoodGoodGoodGood258750.0
September 2016GoodGoodGoodGood258750.0
September 2014GoodGoodGoodGood258749.7
September 2012GoodGoodGoodGood258749.7
September 2010GoodGoodGoodGood258754.6
September 2008GoodGoodGoodGood240054.6
September 2007GoodGoodGoodGood240054.6
June 2006GoodGoodGoodGood75060.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.180180000
Steel Protective Coatingsq. ft.9,3589,174191641
Steel Stringerlinear ft.450450000
Steel Protective Coatingsq. ft.23,39622,935494102
Steel Floor Beamlinear ft.254254000
Steel Protective Coatingsq. ft.13,20512,945282311
Steel Pin or Pin & Hangar Assemblyeach44000
Substructure
Steel Pileeach2020000
Steel Protective Coatingsq. ft.1,0391,0192180
Reinforced Concrete Pier Caplinear ft.3030000
Deck
Concrete Filled Grid Decksq. ft.1,8001,800000
Wearing Surfacessq. ft.1,80001,80000
Joints
Assembly without Seal Jointlinear ft.2402400
Bearings
Fixed Bearingeach22000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.3131000