County Road JJ over Hell Creek


+39.99525, -103.10578
39°59'43" N, 103°06'21" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:County Road JJ over Hell Creek
Structure number:WTNJJ-29.50-A
Location:1.5 Mi. N. of Co. Rd. 28
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:48.6 ft. [14.8 m]
Total length:102.7 ft. [31.3 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:28.5 ft. [8.7 m]
Owner:County Highway Agency [02]
Year built:1987
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: October 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:25 [as of 2012]
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Better than present minimum criteria [7]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:90.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2017FairSatisfactoryGoodGood2590.0
December 2015FairSatisfactoryGoodGood2590.0
December 2013FairSatisfactoryGoodGood2590.0
December 2011GoodGoodGoodGood2590.0
January 2010GoodGoodGoodGood1990.0
December 2007GoodGoodGoodGood1990.0
November 2005FairGoodGoodSatisfactory3790.0
November 2003GoodGoodGoodGood3689.8
May 2001GoodGoodGoodGood3689.5
May 1999FairGoodGoodSatisfactory3689.5
May 1997GoodGoodGoodGood3689.5
December 1995FairSatisfactoryGoodGood1789.5
May 1993GoodVery GoodVery GoodVery Good1797.0
April 1991GoodVery GoodVery GoodVery Good1797.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.616061600
Steel Protective Coatingsq. ft.616000616
Steel Columneach60600
Steel Protective Coatingsq. ft.60006
Reinforced Concrete Abutmentlinear ft.5757000
Reinforced Concrete Pier Caplinear ft.2826200
Corrugated or Orthotropic Decksq. ft.2,91402,884300
Wearing Surfacessq. ft.2,9142,59403200
Steel Protective Coatingsq. ft.2,9140002,914
Compression Jointlinear ft.5705700
Elastomeric Bearingeach2424000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.205205000
Steel Protective Coatingsq. ft.205205000