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COUNTY HIGHWAY over NIOBRARA RIVER

Map

Coordinates:
+42.89500, -100.32333
42°53'42" N, 100°19'24" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:COUNTY HIGHWAY over NIOBRARA RIVER
Structure number:C001611605P
Location:1N 11E OF VALENTINE
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:149.0 ft. [45.4 m]
Total length:185.0 ft. [56.4 m]
Roadway width between curbs:13.1 ft. [4.0 m]
Deck width edge-to-edge:13.8 ft. [4.2 m]
Vertical clearance above deck:16.7 ft. [5.1 m]
Owner:County Highway Agency [02]
Year built:1903
Year reconstructed:2002
Historic significance:Bridge is on the National Register of Historic Places [1]
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: June 2017

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:5 [as of 2003]
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Meets minimum tolerable limits to be left in place as is [4]
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]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:22.7
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2017FairSatisfactorySatisfactoryFair522.7
June 2016PoorSatisfactoryCriticalFair521.6
June 2013PoorGoodCriticalGood522.6
January 2012GoodGoodGoodVery Good523.0
June 2009GoodGoodGoodVery Good523.0
June 2008GoodGoodGoodVery Good523.0
March 2008GoodVery GoodVery GoodVery Good532.3
May 2007GoodVery GoodVery GoodVery Good533.3
May 2005GoodVery GoodVery GoodVery Good533.3
December 2003GoodVery GoodVery GoodVery Good533.3
November 2001FairFairSatisfactoryFair523.0
March 1999FairFairSatisfactoryFair523.0
September 1997FairSatisfactorySatisfactoryFair524.0
December 1995FairSatisfactorySatisfactoryFair524.0
November 1994FairSatisfactorySatisfactoryFair524.0
November 1992FairSatisfactorySatisfactoryFair527.4
September 1990FairSatisfactorySatisfactoryFair527.4