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JOHNSON-IOWA RD over BR OLD MANS CR

Map

Coordinates:
+41.61283, -91.83299
41°36'46" N, 91°49'59" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:JOHNSON-IOWA RD over BR OLD MANS CR
Structure number:000000000204550
Location:079083102
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:30.8 ft. [9.4 m]
Total length:32.2 ft. [9.8 m]
Roadway width between curbs:15.4 ft. [4.7 m]
Deck width edge-to-edge:16.1 ft. [4.9 m]
Owner:County Highway Agency [02]
Year built:1915
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span 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: July 2017

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:5 [as of 2014]
Deck condition:Poor [4 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present minimum criteria [6]
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 the assessed or calculated scour condition. [8]
Sufficiency rating:31.2
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2017PoorPoorPoorPoor531.2
June 2015PoorFairFairPoor548.1
May 2013PoorFairFairPoor548.1
May 2011FairSatisfactorySatisfactoryFair562.1
May 2009FairSatisfactorySatisfactoryFair561.8
March 2007FairSatisfactorySatisfactoryFair562.2
July 2005FairSatisfactorySatisfactoryFair1062.2
March 2003FairSatisfactorySatisfactoryFair1062.2
April 2001FairSatisfactorySatisfactoryFair1062.2
July 1999FairSatisfactorySatisfactoryFair1062.2
July 1997FairSatisfactorySatisfactoryFair1062.2
March 1995FairSatisfactorySatisfactoryFair1062.5
July 1993FairSatisfactorySatisfactoryFair562.8
April 1991FairSatisfactorySatisfactorySatisfactory573.8