+48.06833, -124.29617
48°04'06" N, 124°17'46" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 101 over SOL DUC RIVER
Structure number:0002627A0000000
Location:10.0 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:316.9 ft. [96.6 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:29.9 ft. [9.1 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:Satisfactory [6 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 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 is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:40.8
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$5,072,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2017FairSatisfactoryFairSatisfactory353940.8
March 2015FairSatisfactoryFairSatisfactory353940.5
March 2013FairSatisfactoryFairSatisfactory388237.2
March 2011FairSatisfactoryFairSatisfactory388234.5
April 2009PoorPoorSatisfactorySatisfactory364339.5
May 2007PoorPoorSatisfactorySatisfactory300639.5
May 2005FairFairSatisfactoryFair300631.5
August 2003FairFairSatisfactoryFair300631.5
August 2001FairFairSatisfactoryFair300631.5
October 1999FairSatisfactorySatisfactoryFair297732.5
April 1997FairSatisfactorySatisfactoryFair297732.5
April 1995FairSatisfactorySatisfactorySatisfactory297742.5
February 1993FairSatisfactorySatisfactorySatisfactory332542.5
December 1991PoorPoorGoodSatisfactory332539.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Girder/Beamlinear ft.62852801000
Steel Stringerlinear ft.800800000
Steel Protective Coatingsq. ft.4,0464,0000379
Reinforced Concrete Decksq. ft.7,6087,5159003
Wearing Surfacessq. ft.7,60807,5544014
Steel Trusslinear ft.3206002600
Steel Protective Coatingsq. ft.16,18716,000014938
Steel Floor Beamlinear ft.270270000
Steel Protective Coatingsq. ft.1,3651,3500123
Steel Gusset Plateeach3232000
Reinforced Concrete Abutmentlinear ft.5555000
Reinforced Concrete Pileeach87010
Reinforced Concrete Pier Caplinear ft.5050000
Open Jointlinear ft.264000264
Assembly without Seal Jointlinear ft.48024240
Movable Bearingeach22000
Fixed Bearingeach22000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.480480000
Reinforced Concrete Bridge Raillinear ft.1571370155