US101 (HWY 9) over YOUNGS BAY


+46.17618, -123.86847
46°10'34" N, 123°52'06" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US101 (HWY 9) over YOUNGS BAY
Structure number:08306 009 00491
Purpose:Carries highway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:152.6 ft. [46.5 m]
Total length:4208.5 ft. [1282.7 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:34.8 ft. [10.6 m]
Vertical clearance above deck:16.4 ft. [5.0 m]
Vertical clearance below bridge:78.7 ft. [24.0 m]
Owner:State Highway Agency [01]
Year built:1964
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Steel [3]
Main spans design:Movable - Lift [15]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: October 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:13,600 [as of 2016]
Truck traffic:5% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:56.2

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2017FairFairFairSatisfactory1360056.2
June 2016FairFairFairSatisfactory1350056.3
October 2015FairFairFairSatisfactory1350056.3
October 2013FairSatisfactoryFairSatisfactory1420057.1
October 2011FairSatisfactoryFairSatisfactory1420057.1
October 2009FairSatisfactoryFairSatisfactory1890051.0
October 2007FairSatisfactoryFairSatisfactory1940051.0
October 2005FairSatisfactoryFairSatisfactory2180052.0
October 2003FairSatisfactoryFairSatisfactory2260052.0
March 2002PoorSatisfactoryPoorSatisfactory2260041.0
March 2000FairGoodSatisfactoryGood2140063.0
March 1998FairGoodSatisfactoryGood2140063.0
March 1996FairGoodSatisfactoryGood1400069.1
March 1994FairGoodSatisfactoryGood1400069.1
March 1992GoodGoodGoodGood1610065.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.15,93814,4195101,0090
Steel Stringerlinear ft.1,99501,99500
Steel Protective Coatingsq. ft.7,7405,7401,6004000
Reinforced Concrete Decksq. ft.270,376186,25182,3781,7470
Steel Trusslinear ft.570306169950
Steel Protective Coatingsq. ft.15,96315,5652011970
Steel Floor Beamlinear ft.81412768700
Steel Protective Coatingsq. ft.8,4928,2381271270
Steel Gusset Plateeach1721376290
Steel Protective Coatingsq. ft.1,4681,465300
Reinforced Concrete Columneach60420
Reinforced Concrete Abutmentlinear ft.7070000
Reinforced Concrete Pile Cap/Footinglinear ft.5205200
Prestressed Concrete Pileeach114010770
Reinforced Concrete Pier Caplinear ft.1,7721,7591030
Compression Jointlinear ft.490148258840
Open Jointlinear ft.120111090
Other Jointlinear ft.60001545
Elastomeric Bearingeach3563203600
Movable Bearingeach6025800
Steel Protective Coatingsq. ft.22411256560
Fixed Bearingeach44000
Steel Protective Coatingsq. ft.4040000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.8,4168,410600