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COUNTY HIGHWAY over NIOBRARA RIVER

Map

Coordinates:
+42.51333, -102.56000
42°30'48" N, 102°33'36" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:COUNTY HIGHWAY over NIOBRARA RIVER
Structure number:C008117005
Location:#20/S87 12S 6.9E
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:58.1 ft. [17.7 m]
Total length:60.0 ft. [18.3 m]
Roadway width between curbs:14.8 ft. [4.5 m]
Deck width edge-to-edge:14.8 ft. [4.5 m]
Owner:County Highway Agency [02]
Year built:1981
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Main span material:Steel [3]
Main span design:Truss - Thru [10]
Deck type:Wood or Timber [8]
Wearing surface:Wood or Timber [7]

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:5 [as of 2003]
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Better than present minimum criteria [7]
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]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:31.1
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017FairFairFairSatisfactory531.1
September 2015FairFairFairSatisfactory532.1
September 2013FairFairFairSatisfactory532.1
January 2012FairFairFairSatisfactory532.3
February 2010FairSatisfactorySatisfactoryGood543.3
February 2008GoodGoodGoodGood545.8
October 2005GoodGoodGoodGood545.8
December 2003GoodGoodGoodGood545.8
November 2001GoodGoodGoodGood545.8
November 1999GoodGoodGoodGood545.8
November 1997GoodGoodGoodGood545.8
November 1995GoodGoodGoodGood545.8
December 1993GoodGoodGoodGood545.8
November 1991GoodGoodGoodGood552.9