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STC4751;CTTNWD CRK over COTTONWOOD CREEK

Map

Coordinates:
+46.42972, -116.65972
46°25'47" N, 116°39'35" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:STC4751;CTTNWD CRK over COTTONWOOD CREEK
Structure number:000000000029930
Location:3.8 N. 0.8 E. CULDESAC
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:49.9 ft. [15.2 m]
Total length:50.9 ft. [15.5 m]
Roadway width between curbs:27.6 ft. [8.4 m]
Deck width edge-to-edge:27.9 ft. [8.5 m]
Owner:County Highway Agency [02]
Year built:1968
Historic significance:Historical significance is not determinable at this time [4]
Design load:M 18 / H 20 [4]
Main span material:Steel [3]
Main span design:Girder and floorbeam system [03]
Deck type:Corrugated Steel [6]
Wearing surface:Bituminous [6]

Latest Available Inspection: September 2016

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:130 [as of 2015]
Truck traffic:15% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:70.4
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$380,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2016FairGoodSatisfactoryFair13070.4
September 2014FairGoodSatisfactoryFair13072.0
September 2012FairGoodSatisfactoryFair13072.0
September 2010FairGoodSatisfactorySatisfactory22082.8
September 2008GoodGoodGoodGood22082.8
October 2006GoodGoodGoodGood22085.7
October 2004FairGoodSatisfactoryGood22085.4
October 2002FairVery GoodSatisfactoryGood18085.5
October 2000GoodVery GoodGoodVery Good15085.5
October 1998GoodVery GoodGoodVery Good15085.5
April 1996GoodVery GoodGoodVery Good15085.5
April 1995GoodGoodGoodGood15085.5
April 1994GoodGoodGoodGood15085.5
April 1991GoodVery GoodVery GoodVery Good8070.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.25112212900
Steel Protective Coatingsq. ft.1,02052035010050
Steel Floor Beamlinear ft.7286785000
Steel Protective Coatingsq. ft.3,3973,34930108
Substructure
Reinforced Concrete Abutmentlinear ft.76472450
Deck
Corrugated or Orthotropic Decksq. ft.1,4201,420000
Wearing Surfacessq. ft.1,3001,300000
Steel Protective Coatingsq. ft.1,4201,4021800
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.9893500
Steel Protective Coatingsq. ft.204020400