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LOCAL over NISHNABOTNA

Map

Coordinates:
+41.77037, -94.86028
41°46'13" N, 94°51'37" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LOCAL over NISHNABOTNA
Structure number:000000000068030
Location:080340602
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:80.1 ft. [24.4 m]
Total length:116.1 ft. [35.4 m]
Roadway width between curbs:15.7 ft. [4.8 m]
Deck width edge-to-edge:16.1 ft. [4.9 m]
Owner:County Highway Agency [02]
Year built:1924
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:Gravel [8]

Latest Available Inspection: October 2017

Good/Fair/Poor Condition:Poor
Status:Bridge closed to all traffic [K]
Average daily traffic:5 [as of 2012]
Truck traffic:20% of total traffic
Deck condition:Serious [3 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Serious [3 out of 9]
Deck geometry appraisal:Equal to present desirable criteria [8]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Bank and embankment protection is severely undermined. River control devices have severe damage. Large deposits of debris are in the channel. [4]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:22.2
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2017PoorSeriousPoorSerious522.2
December 2015PoorSeriousPoorSerious522.2
December 2013PoorSeriousPoorSerious522.2
November 2011PoorSeriousPoorSerious2022.2
November 2009PoorSeriousPoorSerious2022.2
February 2008PoorSeriousPoorSerious2022.2
January 2006PoorSeriousPoorSerious2022.2
June 2004PoorSeriousPoorSerious2022.2
January 2002PoorSeriousPoorSerious2022.2
May 2000PoorPoorFairPoor2026.2
April 1998PoorSatisfactorySatisfactoryPoor2029.2
May 1996PoorSatisfactorySatisfactoryPoor2029.2
March 1994PoorSatisfactoryGoodPoor2029.0
May 1992FairSatisfactoryGoodSatisfactory2043.3
June 1990FairSatisfactoryGoodSatisfactory2043.3