Share:

US 12 over WISHKAH RIVER

Map

Coordinates:
+46.97711, -123.81289
46°58'38" N, 123°48'46" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 12 over WISHKAH RIVER
Structure number:0002311A0000000
Location:0.1 E JCT US 101
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:145.0 ft. [44.2 m]
Total length:362.9 ft. [110.6 m]
Roadway width between curbs:26.9 ft. [8.2 m]
Deck width edge-to-edge:28.5 ft. [8.7 m]
Vertical clearance above deck:15.4 ft. [4.7 m]
Vertical clearance below bridge:9.8 ft. [3.0 m]
Owner:State Highway Agency [01]
Year built:1925
Year reconstructed:2003
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Main span material:Steel [3]
Main span design:Movable - Bascule [16]
Deck type:Open Grating [3]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: March 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:14,546 [as of 2012]
Truck traffic:6% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 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:Basically intolerable requiring high priority of corrrective action [3]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Basically intolerable requiring high priority of corrrective action [3]
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 with "unknown" foundation that has not been evaluated for scour. [U]
Sufficiency rating:51.8
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$4,646,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2017FairGoodSatisfactorySatisfactory1454651.8
March 2015FairGoodSatisfactorySatisfactory1454651.5
March 2013FairGoodSatisfactorySatisfactory1478651.5
March 2011FairGoodSatisfactorySatisfactory1478642.4
March 2009FairGoodFairSatisfactory1575740.9
August 2007FairVery GoodFairFair750043.0
June 2005FairVery GoodSatisfactoryFair750043.0
April 2004FairVery GoodSatisfactoryFair750043.0
July 2003FairGoodSatisfactoryFair750043.0
December 2002PoorSeriousFairFair750039.8
September 2001PoorSeriousPoorFair75000.0
November 2000PoorPoorFairFair1512511.5
October 1999FairSatisfactoryFairFair1512517.2
June 1998FairSatisfactoryFairFair1512517.2
July 1997FairSatisfactoryFairFair1512517.2
November 1995FairSatisfactoryFairSatisfactory1512519.0
August 1994FairSatisfactorySatisfactorySatisfactory1512532.1
April 1993FairSatisfactorySatisfactorySatisfactory1107833.2
March 1992FairSatisfactorySatisfactorySatisfactory1107833.2

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.252252000
Steel Protective Coatingsq. ft.6045430601
Reinforced Concrete Girder/Beamlinear ft.771765600
Steel Stringerlinear ft.17,62017,620000
Steel Protective Coatingsq. ft.42,24838,02304,2241
Deck
Reinforced Concrete Decksq. ft.3,8223,817005
Wearing Surfacessq. ft.1,01401,01400
Superstructure
Steel Trusslinear ft.38020501750
Steel Protective Coatingsq. ft.9,1118,20009110
Steel Floor Beamlinear ft.2862570290
Steel Protective Coatingsq. ft.6856170680
Steel Gusset Plateeach4439050
Substructure
Reinforced Concrete Pier Walllinear ft.3535000
Reinforced Concrete Abutmentlinear ft.1441340100
Reinforced Concrete Pile Cap/Footinglinear ft.22000
Reinforced Concrete Pileeach117310
Reinforced Concrete Pier Caplinear ft.210196680
Deck
Open Grid Decksq. ft.3,9153,915000
Joints
Open Jointlinear ft.8108100
Bearings
Movable Bearingeach22000
Fixed Bearingeach20020
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.380380000
Reinforced Concrete Bridge Raillinear ft.166158620