+46.83013, -123.18569
46°49'48" N, 123°11'08" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 12 over BLACK RIVER
Structure number:0001576C0000000
Location:16.3 E JCT SR 8
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:104.0 ft. [31.7 m]
Total length:169.0 ft. [51.5 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:25.9 ft. [7.9 m]
Owner:State Highway Agency [01]
Year built:1932
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:M 13.5 / H 15 [2]
Main span material:Steel [3]
Main span design:Truss - Thru [10]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: April 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:6,994 [as of 2016]
Truck traffic:19% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Good [7 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 replacement [2]
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]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:48.7
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$2,298,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2018FairSatisfactoryFairGood699448.7
April 2016FairSatisfactoryFairGood562949.3
April 2014FairSatisfactoryFairGood562949.3
April 2012FairSatisfactoryFairGood593147.5
April 2010FairSatisfactorySatisfactoryGood670067.3
May 2008FairSatisfactorySatisfactoryGood561867.9
September 2006FairSatisfactorySatisfactoryGood540068.0
September 2005FairSatisfactorySatisfactoryGood540068.0
October 2003FairSatisfactorySatisfactorySatisfactory540068.0
December 2001FairSatisfactorySatisfactoryFair540055.4
November 1999FairSatisfactorySatisfactoryFair480151.8
May 1997FairGoodSatisfactoryFair480143.1
April 1995FairGoodSatisfactoryGood480146.1
October 1993FairGoodSatisfactoryGood425046.5
November 1991FairSatisfactorySatisfactoryGood410046.6

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Girder/Beamlinear ft.260258020
Steel Stringerlinear ft.8327820500
Steel Protective Coatingsq. ft.2,7022,702000
Reinforced Concrete Decksq. ft.4,0564,0360020
Wearing Surfacessq. ft.4,05604,05024
Steel Trusslinear ft.2081380700
Steel Protective Coatingsq. ft.6,7566,756000
Steel Floor Beamlinear ft.1821280252
Steel Protective Coatingsq. ft.591591000
Steel Gusset Plateeach3836020
Reinforced Concrete Abutmentlinear ft.5656000
Reinforced Concrete Pileeach2020000
Reinforced Concrete Pier Caplinear ft.6868000
Open Jointlinear ft.144014400
Assembly without Seal Jointlinear ft.2400024
Movable Bearingeach20020
Fixed Bearingeach22000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.338338000
Reinforced Concrete Bridge Raillinear ft.130129010