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FM over IOWA RIVER

Map

Coordinates:
+41.92016, -92.43396
41°55'13" N, 92°26'02" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:FM over IOWA RIVER
Structure number:000000000316740
Location:082141303
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:168.0 ft. [51.2 m]
Total length:250.0 ft. [76.2 m]
Roadway width between curbs:14.8 ft. [4.5 m]
Deck width edge-to-edge:15.4 ft. [4.7 m]
Vertical clearance above deck:15.4 ft. [4.7 m]
Owner:County Highway Agency [02]
Year built:1914
Year reconstructed:1972
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
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: October 2018

Status:Bridge closed to all traffic [K]
Average daily traffic:40 [as of 2017]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Meets minimum tolerable limits to be left in place as is [4]
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 with "unknown" foundation that has not been evaluated for scour. [U]
Sufficiency rating:16.4
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2018----4016.4
October 2017----4016.4
December 2016PoorSeriousSeriousPoor4016.4
September 2015PoorSeriousSeriousPoor4016.4
January 2015PoorSeriousSeriousPoor4016.4
September 2013PoorSeriousSeriousPoor4016.4
October 2011PoorSeriousSeriousPoor6016.0
September 2010PoorSeriousSeriousPoor6016.0
September 2009PoorSeriousSeriousPoor11015.2
September 2008PoorSeriousSeriousPoor11015.2
November 2007PoorSeriousSeriousPoor11015.2
September 2005PoorPoorSeriousPoor11015.2
September 2003PoorPoorSeriousFair11015.2
November 2001PoorFairSeriousFair11018.1
May 2001PoorSatisfactorySeriousSatisfactory8023.7
October 1998PoorSatisfactoryCriticalSatisfactory8024.7
October 1996PoorSatisfactoryPoorSatisfactory9024.7
October 1994PoorSatisfactoryPoorSatisfactory9024.7
October 1992PoorSatisfactoryPoorSatisfactory13020.3
November 1990PoorSatisfactoryPoorSatisfactory13020.3