County Road DD over Hell Creek


+39.96344, -103.19911
39°57'48" N, 103°11'57" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:County Road DD over Hell Creek
Structure number:WTNDD-27.30-A
Location:1.3 Mi. N. of Co. Rd. 26
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:56.4 ft. [17.2 m]
Total length:62.0 ft. [18.9 m]
Roadway width between curbs:32.2 ft. [9.8 m]
Deck width edge-to-edge:34.8 ft. [10.6 m]
Skew angle:30°
Owner:County Highway Agency [02]
Year built:1997
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Prestressed concrete [5]
Main span design:Tee beam [04]
Deck type:Other [9]
Wearing surface:Gravel [8]

Latest Available Inspection: October 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:10 [as of 2012]
Deck condition:Good [7 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:Equal to present desirable criteria [8]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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:100.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2017FairGoodSatisfactorySatisfactory10100.0
December 2015FairGoodSatisfactorySatisfactory10100.0
December 2013FairGoodSatisfactorySatisfactory10100.0
December 2011FairGoodSatisfactorySatisfactory10100.0
January 2010FairGoodSatisfactorySatisfactory22100.0
December 2007GoodGoodGoodGood22100.0
November 2005GoodGoodGoodGood15100.0
November 2003GoodGoodGoodGood18100.0
May 2001GoodVery GoodVery GoodVery Good18100.0
May 1999GoodVery GoodVery GoodVery Good18100.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.371370100
Prestressed Concrete Top Flangesq. ft.2,1542,145900
Reinforced Concrete Abutmentlinear ft.80641600
Other Jointlinear ft.310031000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.124124000
Steel Protective Coatingsq. ft.124124000