US 12 over SNAKE R. & BN RY


+46.21733, -119.02531
46°13'02" N, 119°01'31" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 12 over SNAKE R. & BN RY
Structure number:0012800A0000000
Location:3.7 E JCT US 395
Purpose:Carries highway and pedestrian walkway over railroad and waterway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:432.1 ft. [131.7 m]
Total length:1779.9 ft. [542.5 m]
Roadway width between curbs:38.1 ft. [11.6 m]
Deck width edge-to-edge:48.2 ft. [14.7 m]
Vertical clearance above deck:17.1 ft. [5.2 m]
Vertical clearance below bridge:62.3 ft. [19.0 m]
Owner:State Highway Agency [01]
Year built:1986
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:3
Main spans material:Steel continuous [4]
Main spans design:Truss - Thru [10]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: April 2018

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:11,797 [as of 2016]
Truck traffic:14% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Superior to present desirable criteria [9]
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:Navigation protection not required [1]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:65.7
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$29,904,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2018PoorSatisfactoryPoorSatisfactory1179765.7
April 2016PoorSatisfactoryPoorSatisfactory928265.9
April 2014PoorSatisfactoryPoorSatisfactory928265.9
April 2012PoorSatisfactoryPoorFair943565.9
April 2010FairSatisfactoryFairFair966082.2
May 2008FairSatisfactoryFairFair960082.2
May 2006FairSatisfactoryFairFair706382.4
October 2004FairSatisfactorySatisfactoryFair706383.2
September 2003FairSatisfactorySatisfactoryFair706383.2
October 2002FairSatisfactorySatisfactoryFair706383.2
October 2001FairSatisfactorySatisfactoryFair706383.2
May 2000FairSatisfactorySatisfactoryFair706381.2
July 1998FairSatisfactorySatisfactoryFair706381.2
September 1996FairSatisfactorySatisfactoryFair706381.2
August 1994FairSatisfactoryGoodGood706392.5
October 1992FairSatisfactoryGoodGood940092.3
August 1991FairGoodFairGood940081.2

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.6,4126,412000
Steel Stringerlinear ft.5,1965,192040
Steel Protective Coatingsq. ft.42,72742,7030213
Reinforced Concrete Decksq. ft.67,64067,631504
Steel Trusslinear ft.1,7281,62001080
Steel Protective Coatingsq. ft.142,096142,0170718
Steel Floor Beamlinear ft.1,58481517680
Steel Protective Coatingsq. ft.13,02513,018061
Steel Pin or Pin & Hangar Assemblyeach86200
Steel Gusset Plateeach256256000
Reinforced Concrete Pier Walllinear ft.481481000
Reinforced Concrete Abutmentlinear ft.168168000
Reinforced Concrete Pile Cap/Footinglinear ft.85030
Reinforced Concrete Pier Caplinear ft.490488020
Strip Seal Jointlinear ft.114076038
Pourable Jointlinear ft.7600076
Assembly with Sealeach7607600
Open Jointlinear ft.1,14008363040
Elastomeric Bearingeach2827010
Movable Bearingeach44000
Fixed Bearingeach44000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.1,7801,780000
Reinforced Concrete Bridge Raillinear ft.3,5603,5400200