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COTTONWOOD CR RD over N COTTONWOOD CREEK 037

Map

Coordinates:
+45.21652, -104.50480
45°12'59" N, 104°30'17" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:COTTONWOOD CR RD over N COTTONWOOD CREEK 037
Structure number:L06042011+07001
Location:17M NW ALZADA
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:55.8 ft. [17.0 m]
Total length:55.8 ft. [17.0 m]
Roadway width between curbs:14.8 ft. [4.5 m]
Deck width edge-to-edge:17.1 ft. [5.2 m]
Owner:County Highway Agency [02]
Year built:1938
Year reconstructed:1999
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Wood or Timber [8]
Wearing surface:Wood or Timber [7]

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:100 [as of 2004]
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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:60.4

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017FairGoodSatisfactoryGood10060.4
September 2015FairGoodSatisfactoryGood10060.4
September 2013FairGoodSatisfactoryGood10061.9
September 2011FairGoodSatisfactoryGood10055.5
September 2009FairGoodSatisfactorySatisfactory10051.7
September 2007GoodGoodGoodGood10052.7
October 2005GoodVery GoodGoodVery Good10051.7
February 2004GoodVery GoodGoodVery Good10051.7
November 2001GoodVery GoodGoodVery Good10051.7
November 1999GoodVery GoodGoodVery Good10066.7
February 1998PoorFairGoodCritical10021.2
November 1995PoorGoodVery GoodCritical3124.2
May 1994PoorSatisfactoryVery GoodSerious3124.2
February 1992PoorSatisfactoryVery GoodSerious3124.2
January 1990PoorSatisfactoryGoodCritical3123.1

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.39019519500
Steel Protective Coatingsq. ft.3,1201,560936312312
Substructure
Timber Abutmentlinear ft.9896020
Steel Pileeach1001000
Steel Protective Coatingsq. ft.188184004
Steel Pier Caplinear ft.3331200
Steel Protective Coatingsq. ft.1981782000
Deck
Timber Decksq. ft.947947000
Wearing Surfacessq. ft.336336000