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FM over UPPER IOWA RIVER

Winneshiek County, Iowa

Map

Coordinates:
+43.46473, -92.03938
43°27'53" N, 92°02'22" W
View more info at Bridgehunter.com

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:FM over UPPER IOWA RIVER
Structure number:000000000349860
Location:100102105
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:120.1 ft. [36.6 m]
Total length:151.9 ft. [46.3 m]
Roadway width between curbs:15.7 ft. [4.8 m]
Deck width edge-to-edge:15.7 ft. [4.8 m]
Vertical clearance above deck:18.4 ft. [5.6 m]
Owner:County Highway Agency [02]
Year built:1913
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: March 2017

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:40 [as of 2017]
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Equal to present desirable criteria [8]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:26.2
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2017PoorSatisfactoryPoorFair4026.2
April 2015PoorSatisfactoryPoorFair4526.2
March 2013PoorSatisfactoryPoorFair4526.2
March 2011PoorSatisfactoryPoorFair4526.2
March 2009PoorSatisfactoryPoorFair2526.2
March 2007FairSatisfactoryFairFair2526.2
June 2005FairSatisfactoryFairFair2526.2
April 2003FairSatisfactoryFairFair7026.1
March 2002FairFairFairFair7025.1
May 2001FairFairFairFair7025.1
March 1999PoorFairFairPoor7025.1
April 1997FairFairFairFair5025.2
November 1994FairFairFairFair5025.3
May 1993FairFairFairFair5026.0
July 1992FairFairFairFair5026.0
May 1991FairSatisfactorySatisfactoryFair5038.2