US 101 over ELKHORN CR


+46.76858, -123.74883
46°46'07" N, 123°44'56" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 101 over ELKHORN CR
Structure number:0001331B0000000
Location:5.7 N JCT SR 105
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:45.9 ft. [14.0 m]
Total length:98.1 ft. [29.9 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:26.9 ft. [8.2 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:1929
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:3
Main spans material:Concrete [1]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: May 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:4,186 [as of 2012]
Truck traffic:16% 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: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:43.8
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$1,568,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2017FairSatisfactoryFairSatisfactory418643.8
May 2015FairSatisfactoryFairSatisfactory418643.5
May 2013FairSatisfactorySatisfactoryFair437843.5
May 2011FairSatisfactoryFairFair437843.5
May 2009FairSatisfactoryFairFair421943.5
June 2007FairSatisfactoryFairFair394843.5
July 2005FairSatisfactoryFairFair394843.5
July 2003FairSatisfactoryFairFair394843.5
June 2002FairSatisfactoryFairFair394843.5
March 2001FairSatisfactoryFairFair394843.5
July 2000PoorSatisfactoryFairPoor390927.5
October 1997PoorGoodFairPoor390939.0
December 1995FairGoodFairSatisfactory390952.7
March 1993FairSatisfactoryFairFair415034.5
October 1991FairSatisfactoryFairFair355034.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Girder/Beamlinear ft.39229110010
Reinforced Concrete Decksq. ft.2,3522,352000
Wearing Surfacessq. ft.2,35202,35200
Reinforced Concrete Columneach88000
Reinforced Concrete Abutmentlinear ft.5454000
Reinforced Concrete Pileeach80800
Open Jointlinear ft.5400054
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.196196000
Reinforced Concrete Bridge Raillinear ft.19615115300