+46.21767, -119.02494
46°13'04" N, 119°01'30" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 12 over SNAKE RIVER & BNRR
Structure number:0003762A0000000
Location:3.7 E JCT US 395
Purpose:Carries highway 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:1770.1 ft. [539.5 m]
Roadway width between curbs:31.5 ft. [9.6 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:49.2 ft. [15.0 m]
Owner:State Highway Agency [01]
Year built:1950
Year reconstructed:1988
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:3
Main spans material:Steel [3]
Main spans design:Truss - Thru [10]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: April 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:11,797 [as of 2016]
Truck traffic:14% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Equal to present minimum criteria [6]
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:58.6
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$30,444,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2018FairGoodSatisfactoryGood1179758.6
April 2016FairSatisfactorySatisfactoryGood928258.3
April 2014FairSatisfactorySatisfactoryGood928258.3
April 2012FairSatisfactorySatisfactoryFair943547.3
April 2010FairSatisfactorySatisfactoryFair966046.3
May 2008FairSatisfactorySatisfactoryFair960046.3
May 2006FairSatisfactoryGoodFair706346.3
October 2004FairSatisfactoryGoodFair706346.3
September 2003FairSatisfactorySatisfactoryFair706346.3
October 2002FairSatisfactorySatisfactoryFair706346.3
October 2001FairSatisfactorySatisfactoryFair706347.3
May 2000FairSatisfactorySatisfactoryFair706347.3
August 1998FairSatisfactorySatisfactoryFair706347.3
September 1996FairGoodSatisfactoryFair706354.8
July 1994FairGoodSatisfactorySatisfactory706367.1
October 1992GoodGoodGoodGood1460067.1
June 1990FairFairGoodGood1460067.6

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Girder/Beamlinear ft.3,0573,051150
Steel Stringerlinear ft.8,9008,8882100
Steel Protective Coatingsq. ft.57,54157,47204920
Reinforced Concrete Decksq. ft.56,04156,040001
Wearing Surfacessq. ft.15,809015,80900
Steel Trusslinear ft.2,5321,75007820
Steel Protective Coatingsq. ft.163,703163,506014057
Steel Floor Beamlinear ft.1,8801,872170
Steel Protective Coatingsq. ft.12,15412,1400104
Steel Pin or Pin & Hangar Assemblyeach1610600
Steel Gusset Plateeach2161940220
Reinforced Concrete Columneach1212000
Reinforced Concrete Pier Walllinear ft.210207030
Reinforced Concrete Abutmentlinear ft.22000
Reinforced Concrete Pile Cap/Footinglinear ft.66000
Reinforced Concrete Pileeach1212000
Strip Seal Jointlinear ft.190019000
Pourable Jointlinear ft.6400064
Compression Jointlinear ft.6306300
Open Jointlinear ft.1,48101,48100
Movable Bearingeach88000
Fixed Bearingeach88000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.1,7701,65001200
Reinforced Concrete Bridge Raillinear ft.3,5403,532080