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LOCAL over NO. FORK MAQUOKETA RIVER

Map

Coordinates:
+42.50289, -91.12428
42°30'10" N, 91°07'27" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LOCAL over NO. FORK MAQUOKETA RIVER
Structure number:000000000147650
Location:089021904
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:100.1 ft. [30.5 m]
Total length:101.1 ft. [30.8 m]
Roadway width between curbs:14.4 ft. [4.4 m]
Deck width edge-to-edge:15.7 ft. [4.8 m]
Vertical clearance above deck:13.5 ft. [4.1 m]
Owner:County Highway Agency [02]
Year built:1920
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:M 9 / H 10 [1]
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: June 2018

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:210 [as of 2017]
Deck condition:Poor [4 out of 9]
Superstructure condition:Serious [3 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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:17.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2018PoorPoorSeriousFair21017.0
June 2017PoorPoorSeriousFair21017.0
July 2016PoorPoorSeriousFair21017.0
July 2015PoorPoorSeriousFair21017.0
September 2014PoorPoorSeriousFair21017.0
May 2013PoorFairPoorSatisfactory21021.7
April 2012FairFairFairGood21037.6
April 2009FairSatisfactoryFairGood21038.3
April 2007FairSatisfactoryFairGood21038.6
March 2005FairSatisfactoryFairGood29038.6
June 2003FairSatisfactoryFairGood29038.3
June 2001FairSatisfactoryFairGood29038.3
October 1998FairGoodSatisfactoryGood29047.3
June 1997FairGoodSatisfactoryGood20047.3
March 1995GoodGoodGoodGood20047.3
April 1993GoodGoodGoodGood16047.3
May 1991GoodGoodGoodGood16058.0