+48.06953, -124.28525
48°04'10" N, 124°17'07" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 101 over SOL DUC RIVER
Structure number:0002627B0000000
Location:10.5 N JCT SR 110
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:160.1 ft. [48.8 m]
Total length:248.0 ft. [75.6 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:24.9 ft. [7.6 m]
Vertical clearance above deck:14.8 ft. [4.5 m]
Owner:State Highway Agency [01]
Year built:1941
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:Truss - Thru [10]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: March 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:3,539 [as of 2012]
Truck traffic:17% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 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: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]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:50.1
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$3,968,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2017FairFairSatisfactoryGood353950.1
March 2015FairFairSatisfactoryGood353949.9
March 2013FairFairSatisfactoryGood388251.0
March 2011FairFairSatisfactoryGood388251.0
April 2009FairFairFairGood364340.0
May 2007FairFairFairGood300641.8
August 2005FairSatisfactorySatisfactoryGood300649.8
August 2003FairSatisfactorySatisfactoryGood300647.8
August 2001FairFairSatisfactoryGood300646.6
October 1999FairFairSatisfactoryGood297748.7
May 1997FairSatisfactorySatisfactoryGood297748.0
April 1995FairSatisfactorySatisfactoryGood297747.9
February 1993FairSatisfactorySatisfactoryGood332547.1
August 1990FairSatisfactoryGoodGood332547.1

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Girder/Beamlinear ft.1,1201,120000
Steel Stringerlinear ft.800800000
Steel Protective Coatingsq. ft.4,1063,654041042
Reinforced Concrete Decksq. ft.5,8085,549243016
Wearing Surfacessq. ft.5,80805,791161
Steel Trusslinear ft.32020802200
Steel Protective Coatingsq. ft.16,42514,61901,642164
Steel Floor Beamlinear ft.208208000
Steel Protective Coatingsq. ft.1,067950010611
Steel Gusset Plateeach3232000
Reinforced Concrete Abutmentlinear ft.6464000
Reinforced Concrete Pileeach44000
Reinforced Concrete Pier Caplinear ft.5858000
Open Jointlinear ft.26402424216
Movable Bearingeach22000
Fixed Bearingeach22000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.496496000
Reinforced Concrete Bridge Raillinear ft.8888000