Share:

COTTONWOOD CR RD over S COTTONWOOD CREEK 021

Map

Coordinates:
+45.18528, -104.51356
45°11'07" N, 104°30'49" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:COTTONWOOD CR RD over S COTTONWOOD CREEK 021
Structure number:L06042014+00001
Location:15M NW ALZADA
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:85.3 ft. [26.0 m]
Total length:85.3 ft. [26.0 m]
Roadway width between curbs:20.0 ft. [6.1 m]
Deck width edge-to-edge:21.0 ft. [6.4 m]
Owner:County Highway Agency [02]
Year built:2014
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Corrugated Steel [6]
Wearing surface:Gravel [8]

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:100 [as of 2004]
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Meets minimum tolerable limits to be left in place as is [4]
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:94.6

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017GoodGoodGoodGood10094.6
September 2015GoodGoodGoodGood10094.6
September 2013PoorSatisfactorySeriousSatisfactory10024.3
September 2011PoorSatisfactoryPoorSatisfactory10028.4
September 2009FairSatisfactoryFairGood10040.1
September 2007FairSatisfactoryFairGood10040.1
October 2005PoorSatisfactoryPoorGood10023.7
February 2004PoorSatisfactoryPoorGood10023.7
November 2001PoorSatisfactorySeriousGood10019.1
November 1999PoorSatisfactorySeriousGood10019.1
February 1998PoorSatisfactorySeriousSerious10019.1
November 1995PoorVery GoodSeriousPoor3121.4
May 1994PoorVery GoodSeriousPoor3121.4
February 1992PoorVery GoodSeriousPoor3121.4
January 1990PoorGoodSeriousSerious3119.1

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.768076800
Substructure
Steel Abutmentlinear ft.4646000
Steel Protective Coatingsq. ft.368368000
Steel Pileeach1001000
Steel Pier Caplinear ft.4904900
Deck
Corrugated or Orthotropic Decksq. ft.1,7871,787000
Wearing Surfacessq. ft.1,7871,787000
Steel Protective Coatingsq. ft.1,7871,787000