County Road 121 over S.Fk Williams Fork River


+40.21542, -107.44381
40°12'56" N, 107°26'38" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:County Road 121 over S.Fk Williams Fork River
Structure number:RIOB-121-00.50
Location:0.42 Mi S of Moff Co Line
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:48.6 ft. [14.8 m]
Total length:50.2 ft. [15.3 m]
Roadway width between curbs:15.7 ft. [4.8 m]
Deck width edge-to-edge:16.1 ft. [4.9 m]
Owner:County Highway Agency [02]
Year built:1984
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:Girder and floorbeam system [03]
Deck type:Corrugated Steel [6]
Wearing surface:Gravel [8]

Latest Available Inspection: September 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:79 [as of 2012]
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present desirable criteria [8]
Water adequacy appraisal:Equal to present desirable criteria [8]
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 is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:71.6

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2018FairGoodSatisfactoryGood7971.6
September 2016FairGoodSatisfactoryGood7971.6
October 2014FairGoodSatisfactoryGood7971.6
September 2012GoodGoodGoodGood7971.6
October 2010GoodGoodGoodGood1072.2
September 2008GoodGoodGoodGood1072.2
August 2006GoodGoodGoodGood872.2
July 2004GoodGoodGoodGood872.2
October 2002PoorGoodGoodSerious835.8
October 2001PoorGoodGoodSerious1535.1
July 1999PoorGoodGoodPoor1543.4
July 1997FairGoodGoodFair1559.5
September 1995FairGoodGoodFair1160.1
July 1993GoodVery GoodGoodGood1171.1
September 1991GoodVery GoodGoodGood1166.1

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.201020100
Steel Protective Coatingsq. ft.201000201
Steel Stringerlinear ft.151015100
Steel Protective Coatingsq. ft.151000151
Steel Floor Beamlinear ft.8108100
Steel Protective Coatingsq. ft.8100081
Steel Columneach80800
Steel Protective Coatingsq. ft.80008
Steel Abutmentlinear ft.32161600
Steel Protective Coatingsq. ft.32160016
Steel Pier Caplinear ft.3203200
Steel Protective Coatingsq. ft.3200032
Corrugated or Orthotropic Decksq. ft.80846634200
Steel Protective Coatingsq. ft.80846600342
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.100792100
Steel Protective Coatingsq. ft.100820018