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LOCAL over MAQUOKETA RIVER

Map

Coordinates:
+42.13523, -90.64848
42°08'07" N, 90°38'55" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LOCAL over MAQUOKETA RIVER
Structure number:000000000193610
Location:085E33103
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:160.1 ft. [48.8 m]
Total length:323.2 ft. [98.5 m]
Roadway width between curbs:18.7 ft. [5.7 m]
Deck width edge-to-edge:19.7 ft. [6.0 m]
Vertical clearance above deck:14.1 ft. [4.3 m]
Owner:County Highway Agency [02]
Year built:1958
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:M 13.5 / H 15 [2]
Main span material:Steel [3]
Main span design:Truss - Thru [10]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: May 2018

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:40 [as of 2017]
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Basically intolerable requiring high priority of replacement [2]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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:Countermeasures have been installed to mitigate an existing problem with scour. [7]
Sufficiency rating:45.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2018FairFairFairFair4045.0
June 2017FairFairFairFair4045.0
March 2016FairFairFairFair2045.1
May 2015FairFairFairFair2045.1
April 2013FairSatisfactorySatisfactorySatisfactory2048.1
March 2011FairSatisfactorySatisfactoryGood2046.9
October 2008FairSatisfactorySatisfactoryGood2046.7
October 2006FairSatisfactorySatisfactoryGood2046.9
April 2005FairSatisfactoryGoodGood2046.9
June 2003FairSatisfactoryGoodGood2046.7
May 2001FairSatisfactoryGoodGood2046.7
June 1999FairSatisfactoryGoodGood2046.7
June 1997FairSatisfactorySatisfactoryGood2046.2
October 1994FairSatisfactorySatisfactoryGood2046.2
March 1993FairSatisfactorySatisfactoryGood3546.2
May 1991FairGoodSatisfactoryGood3546.2