Share:

T ROAD over N BR BIG BLUE RIVER

Map

Coordinates:
+41.00303, -97.94053
41°00'11" N, 97°56'26" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:T ROAD over N BR BIG BLUE RIVER
Structure number:C004103720
Location:KRONBORG
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:36.1 ft. [11.0 m]
Total length:38.1 ft. [11.6 m]
Roadway width between curbs:20.0 ft. [6.1 m]
Deck width edge-to-edge:20.3 ft. [6.2 m]
Owner:County Highway Agency [02]
Year built:1935
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Main span material:Steel [3]
Main span design:Girder and floorbeam system [03]
Deck type:Corrugated Steel [6]
Wearing surface:Gravel [8]

Latest Available Inspection: September 2016

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:45 [as of 1998]
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour conditions; field review indicates action is required. [4]
Sufficiency rating:57.4
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2016FairGoodGoodFair4557.4
September 2014FairGoodGoodFair4555.3
September 2012FairGoodGoodFair4555.3
December 2010FairGoodSatisfactoryFair4553.3
December 2008FairGoodSatisfactoryFair4541.8
November 2007FairVery GoodSatisfactorySatisfactory4548.8
January 2006FairVery GoodSatisfactorySatisfactory4548.8
January 2004FairVery GoodSatisfactorySatisfactory4548.8
November 2001FairVery GoodSatisfactorySatisfactory4548.8
November 1999FairVery GoodSatisfactorySatisfactory4548.8
November 1997FairVery GoodSatisfactorySatisfactory4548.8
November 1995FairVery GoodSatisfactorySatisfactory4548.8
October 1993FairVery GoodSatisfactorySatisfactory4548.8
November 1991GoodVery GoodVery GoodVery Good4548.8