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COUNTY HIGHWAY over NIOBRARA RIVER

Map

Coordinates:
+42.85167, -100.52167
42°51'06" N, 100°31'18" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:COUNTY HIGHWAY over NIOBRARA RIVER
Structure number:C0E1606105P
Location:1E 1S OF VALENTINE
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:129.9 ft. [39.6 m]
Total length:130.9 ft. [39.9 m]
Roadway width between curbs:13.1 ft. [4.0 m]
Deck width edge-to-edge:14.1 ft. [4.3 m]
Vertical clearance above deck:16.7 ft. [5.1 m]
Owner:County Highway Agency [02]
Year built:1916
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:20 [as of 2003]
Deck condition:Good [7 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 replacement [2]
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:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2017FairGoodFairSatisfactory2022.7
June 2015FairGoodSatisfactorySatisfactory2029.9
June 2013FairGoodSatisfactorySatisfactory2029.9
January 2012FairGoodSatisfactorySatisfactory2030.0
February 2010FairGoodSatisfactorySatisfactory2030.0
March 2008FairGoodSatisfactorySatisfactory2034.6
June 2007FairVery GoodGoodSatisfactory2034.6
May 2005FairVery GoodVery GoodSatisfactory2034.6
December 2003FairVery GoodVery GoodSatisfactory2034.6
October 2001FairVery GoodVery GoodSatisfactory2034.6
June 1999PoorFairSatisfactoryPoor2022.0
September 1997PoorFairSatisfactoryPoor2022.0
December 1995FairFairSatisfactoryFair2023.6
November 1993FairFairSatisfactoryFair2023.6
October 1991FairFairSatisfactoryFair2028.8