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FM over W. NISHNABOTNA RIVER

This bridge is no longer in the current National Bridge Inventory database, and has likely been demolished or abandoned.

Map

Coordinates:
+42.17500, -95.45278
42°10'30" N, 95°27'10" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:FM over W. NISHNABOTNA RIVER
Structure number:000000000306320
Location:803338
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:122.1 ft. [37.2 m]
Total length:162.1 ft. [49.4 m]
Roadway width between curbs:17.4 ft. [5.3 m]
Deck width edge-to-edge:17.4 ft. [5.3 m]
Vertical clearance above deck:11.5 ft. [3.5 m]
Owner:County Highway Agency [02]
Year built:1966
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [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: April 2014

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:80 [as of 2012]
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 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:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:47.8
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2014FairFairFairFair8047.8
March 2012FairFairFairFair10035.6
March 2010FairFairFairFair10037.4
April 2008FairFairFairFair10035.4
March 2006FairFairFairFair10035.6
January 2004PoorPoorFairFair20033.4
March 2002PoorPoorFairFair20033.4
February 2000PoorPoorFairFair20033.4
April 1998PoorPoorFairFair20033.4
January 1996PoorPoorFairFair20031.1
December 1993FairFairSatisfactoryFair17033.6
January 1992FairFairSatisfactorySatisfactory17043.7
November 1989FairFairSatisfactorySatisfactory17043.7