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M AVE over IOWA RIVER

Map

Coordinates:
+41.80984, -92.06447
41°48'35" N, 92°03'52" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:M AVE over IOWA RIVER
Structure number:000000000361680
Location:081101902
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:125.0 ft. [38.1 m]
Total length:1265.2 ft. [385.6 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:32.2 ft. [9.8 m]
Owner:County Highway Agency [02]
Year built:1950
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:M 18 / H 20 [4]
Number of main spans:15
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: March 2018

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:2,410 [as of 2018]
Deck condition:Poor [4 out of 9]
Superstructure condition:Poor [4 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 corrrective action [3]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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 foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:38.4
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2018PoorPoorPoorFair241038.4
February 2016PoorPoorFairFair253055.7
May 2014FairFairSatisfactoryFair248058.0
May 2012PoorPoorFairFair248055.8
May 2010PoorPoorFairFair248055.5
June 2008PoorPoorFairFair260055.3
July 2006PoorPoorSatisfactoryFair320051.6
May 2004FairSatisfactorySatisfactoryFair320054.1
July 2002FairGoodSatisfactoryFair321054.0
May 2000FairGoodSatisfactorySatisfactory321067.2
August 1998GoodGoodGoodGood321067.2
May 1996GoodGoodGoodVery Good200080.2
April 1994GoodGoodGoodVery Good174080.6
April 1992GoodGoodGoodVery Good174080.6
June 1990GoodGoodGoodVery Good174077.5