US101 (HWY 9) over Necarney Creek


+45.75677, -123.95863
45°45'24" N, 123°57'31" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US101 (HWY 9) over Necarney Creek
Structure number:02311 009 03953
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:69.9 ft. [21.3 m]
Total length:602.1 ft. [183.5 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:35.4 ft. [10.8 m]
Owner:State Highway Agency [01]
Year built:1937
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:M 13.5 / H 15 [2]
Number of main spans:13
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: October 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:3,500 [as of 2017]
Truck traffic:16% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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:50.2
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$3,084,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2018FairSatisfactorySatisfactorySatisfactory350050.2
October 2016FairSatisfactorySatisfactorySatisfactory350065.1
October 2014FairSatisfactorySatisfactorySatisfactory370065.0
October 2012FairSatisfactorySatisfactorySatisfactory370065.0
October 2010FairFairSatisfactorySatisfactory420049.0
October 2008FairFairSatisfactorySatisfactory420049.0
October 2006FairSatisfactorySatisfactorySatisfactory490040.2
October 2004FairSatisfactorySatisfactorySatisfactory380040.0
October 2002FairSatisfactorySatisfactorySatisfactory370040.0
November 2000FairSatisfactorySatisfactorySatisfactory350040.0
October 1998GoodGoodGoodGood350040.0
October 1996GoodGoodGoodGood310040.0
October 1994GoodGoodGoodGood310066.5
October 1992GoodGoodGoodVery Good310066.5
October 1990GoodGoodGoodVery Good350067.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.2,4081,910794190
Steel Protective Coatingsq. ft.28,11627,95201640
Reinforced Concrete Decksq. ft.21,27016,2804,920700
Wearing Surfacessq. ft.15,65215,652000
Steel Pin or Pin & Hangar Assemblyeach48249150
Steel Protective Coatingsq. ft.288288000
Steel Gusset Plateeach4964014550
Steel Protective Coatingsq. ft.1,9801,980000
Steel Columneach2400240
Steel Protective Coatingsq. ft.29,09129,091000
Reinforced Concrete Columneach2424000
Reinforced Concrete Abutmentlinear ft.7171000
Steel Pier Caplinear ft.2889321930
Steel Protective Coatingsq. ft.2,8322,824440
Pourable Jointlinear ft.425425000
Other Jointlinear ft.5252000
Fixed Bearingeach88000
Steel Protective Coatingsq. ft.88000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.1,25574750800
Steel Protective Coatingsq. ft.4,1832,0831,6804200