County Road 21 over S Fork Frenchman Creek


+40.57750, -102.47508
40°34'39" N, 102°28'30" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:County Road 21 over S Fork Frenchman Creek
Structure number:PH21-0.4-20-A
Location:0.4 Mi No of Co Rd 20
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:38.1 ft. [11.6 m]
Total length:82.0 ft. [25.0 m]
Roadway width between curbs:31.5 ft. [9.6 m]
Deck width edge-to-edge:32.2 ft. [9.8 m]
Owner:County Highway Agency [02]
Year built:1988
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Corrugated Steel [6]
Wearing surface:Bituminous [6]

Latest Available Inspection: November 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:86 [as of 2012]
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Better than present minimum criteria [7]
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:96.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2017FairFairSatisfactorySatisfactory8696.3
December 2015FairFairSatisfactorySatisfactory8696.3
December 2013FairSatisfactoryGoodGood8697.3
November 2011FairSatisfactoryGoodGood8697.3
December 2009GoodGoodGoodGood8097.3
December 2007GoodGoodGoodGood8098.3
October 2005GoodGoodGoodGood6998.3
October 2003GoodGoodGoodGood7596.3
March 2001GoodGoodGoodGood7596.2
March 2000GoodGoodGoodGood7596.2
March 1999GoodGoodGoodGood7596.2
March 1998GoodGoodGoodGood7596.2
June 1996GoodGoodGoodGood8496.2
May 1994GoodVery GoodVery GoodVery Good8499.0
March 1992GoodVery GoodVery GoodVery Good84100.0
May 1990GoodVery GoodVery GoodVery Good70100.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.574057400
Steel Protective Coatingsq. ft.574000574
Steel Columneach70610
Steel Protective Coatingsq. ft.70007
Reinforced Concrete Abutmentlinear ft.6562300
Reinforced Concrete Pier Caplinear ft.3232000
Corrugated or Orthotropic Decksq. ft.2,64906611,9880
Wearing Surfacessq. ft.2,6492,27603730
Steel Protective Coatingsq. ft.2,6490002,649
Compression Jointlinear ft.6506500
Elastomeric Bearingeach2828000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.164164000
Steel Protective Coatingsq. ft.164164000