SR 104 over HOOD CANAL


+47.86651, -122.63628
47°51'59" N, 122°38'11" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR 104 over HOOD CANAL
Structure number:0016525C0000000
Location:14.4 E JCT US 101
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:279.9 ft. [85.3 m]
Total length:488.9 ft. [149.0 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:65.0 ft. [19.8 m]
Vertical clearance above deck:29.5 ft. [9.0 m]
Vertical clearance below bridge:29.5 ft. [9.0 m]
Owner:State Highway Agency [01]
Year built:2007
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 22.5 / HS 25 [9]
Main span material:Steel [3]
Main span design:Truss - Thru [10]
Deck type:Open Grating [3]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: May 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:17,725 [as of 2016]
Truck traffic:6% 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:Better than present minimum criteria [7]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:74.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$8,215,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2018FairSatisfactoryGoodGood1772574.0
May 2016FairSatisfactoryGoodVery Good1548474.0
May 2014FairSatisfactorySatisfactoryVery Good1548474.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.767767000
Steel Stringerlinear ft.2,9042,903010
Steel Protective Coatingsq. ft.11,10811,0890613
Reinforced Concrete Decksq. ft.6,1376,137000
Steel Trusslinear ft.5603081401120
Steel Protective Coatingsq. ft.21,42021,38401224
Steel Floor Beamlinear ft.584584000
Steel Protective Coatingsq. ft.2,2332,230012
Steel Pin or Pin & Hangar Assemblyeach66000
Steel Columneach44000
Steel Protective Coatingsq. ft.1515000
Reinforced Concrete Columneach44000
Reinforced Concrete Pier Walllinear ft.2020000
Reinforced Concrete Abutmentlinear ft.6565000
Reinforced Concrete Pile Cap/Footinglinear ft.44000
Reinforced Concrete Pileeach44000
Steel Pier Caplinear ft.5858000
Steel Protective Coatingsq. ft.221221000
Reinforced Concrete Pier Caplinear ft.225225000
Open Grid Decksq. ft.7,3617,2976400
Concrete Filled Grid Decksq. ft.6,0235,9913200
Pourable Jointlinear ft.4000040
Compression Jointlinear ft.4004000
Assembly without Seal Jointlinear ft.164016400
Elastomeric Bearingeach1414000
Movable Bearingeach3636000
Fixed Bearingeach22000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.669669000
Reinforced Concrete Bridge Raillinear ft.309309000