+45.47181, -123.73653
45°28'19" N, 123°44'12" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:OR 6 (HWY 37) over WILSON RIVER
Structure number:01868 037 00578
Location:058 MI E OF HWY 9 JCT
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:149.9 ft. [45.7 m]
Total length:379.9 ft. [115.8 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:34.8 ft. [10.6 m]
Skew angle:53°
Owner:State Highway Agency [01]
Year built:1939
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Number of main spans:3
Main spans material:Steel continuous [4]
Main spans design:Girder and floorbeam system [03]
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:Fair
Status:Open, no restriction [A]
Average daily traffic:5,200 [as of 2017]
Truck traffic:16% 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:Basically intolerable requiring high priority of corrrective action [3]
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:Navigation protection not required [1]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:50.9
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$1,947,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2018FairFairFairSatisfactory520050.9
April 2016FairFairFairSatisfactory420050.9
April 2014FairFairFairSatisfactory350052.0
April 2012FairFairSatisfactorySatisfactory350065.3
April 2010FairFairSatisfactorySatisfactory490048.2
April 2008FairSatisfactorySatisfactorySatisfactory490049.2
April 2006FairSatisfactorySatisfactorySatisfactory490049.2
April 2004FairGoodSatisfactorySatisfactory530047.9
May 2002FairGoodSatisfactorySatisfactory520047.9
May 2000FairGoodSatisfactoryGood340048.9
May 1998FairGoodSatisfactoryGood340048.9
May 1996FairGoodSatisfactoryGood340048.9
May 1994FairGoodSatisfactoryGood340051.2
July 1992FairGoodSatisfactoryGood400047.9
May 1990FairGoodSatisfactoryGood400047.9

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.76005302300
Steel Protective Coatingsq. ft.17,28009,3805,6002,300
Steel Stringerlinear ft.1,14001,14000
Steel Protective Coatingsq. ft.4,46002,6601,200600
Reinforced Concrete Decksq. ft.13,17508,3554,8200
Steel Floor Beamlinear ft.51713424800
Steel Protective Coatingsq. ft.3,82402,1041,014706
Reinforced Concrete Columneach40400
Reinforced Concrete Abutmentlinear ft.115109600
Reinforced Concrete Pile Cap/Footinglinear ft.144144000
Compression Jointlinear ft.70005020
Other Jointlinear ft.52033154
Movable Bearingeach60060
Steel Protective Coatingsq. ft.1240603232
Fixed Bearingeach20020
Steel Protective Coatingsq. ft.800403010
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.760512165830
Steel Protective Coatingsq. ft.2,00001,5304700