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FM over MAQUOKETA RIVER

Map

Coordinates:
+42.10854, -90.79686
42°06'31" N, 90°47'49" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:FM over MAQUOKETA RIVER
Structure number:000000000191850
Location:084E10104
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:160.1 ft. [48.8 m]
Total length:456.1 ft. [139.0 m]
Roadway width between curbs:19.0 ft. [5.8 m]
Deck width edge-to-edge:20.0 ft. [6.1 m]
Vertical clearance above deck:15.4 ft. [4.7 m]
Owner:County Highway Agency [02]
Year built:1927
Year reconstructed:1957
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: June 2017

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:50 [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: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:Countermeasures have been installed to mitigate an existing problem with scour. [7]
Sufficiency rating:44.9
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 2017FairFairFairFair5044.9
May 2015FairFairFairFair5044.9
April 2013FairFairFairFair5044.9
March 2011FairGoodSatisfactorySatisfactory7046.6
October 2008FairGoodSatisfactorySatisfactory5046.4
October 2006FairGoodSatisfactorySatisfactory5046.6
April 2005FairSatisfactoryGoodSatisfactory9046.5
June 2003FairSatisfactoryGoodSatisfactory9046.5
June 2001FairSatisfactoryGoodSatisfactory9046.5
June 1999FairSatisfactoryGoodSatisfactory9046.5
June 1997FairSatisfactorySatisfactorySatisfactory3546.6
October 1994FairSatisfactorySatisfactorySatisfactory3549.9
March 1993FairSatisfactorySatisfactorySatisfactory7549.8
June 1991FairSatisfactorySatisfactorySatisfactory7549.8