+40.35117, -83.93833
40°21'04" N, 83°56'18" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:CR 21 over MIAMI RIVER
Structure number:4631838
Location:.36 M E OF CR 24
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:140.1 ft. [42.7 m]
Total length:143.1 ft. [43.6 m]
Roadway width between curbs:16.1 ft. [4.9 m]
Deck width edge-to-edge:16.1 ft. [4.9 m]
Vertical clearance above deck:16.4 ft. [5.0 m]
Owner:County Highway Agency [02]
Year built:1882
Year reconstructed:1997
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:MS 18+Mod / HS 20+Mod [6]
Main span material:Steel [3]
Main span design:Truss - Thru [10]
Deck type:Wood or Timber [8]
Wearing surface:Bituminous [6]

Latest Available Inspection: January 2018

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:816 [as of 2015]
Truck traffic:7% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Poor [4 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 desirable criteria [8]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Channel protection:There are no noticeable or noteworthy deficiencies which affect the condition of the channel. [9]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:21.2

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
January 2018PoorGoodPoorFair81621.2
January 2017PoorGoodPoorFair81621.2
January 2016PoorGoodPoorFair76021.4
February 2015PoorGoodPoorFair76021.4
February 2014PoorGoodPoorFair76021.4
February 2013PoorGoodPoorFair76021.4
February 2012PoorGoodPoorFair76021.4
November 2010PoorGoodPoorFair76047.5
November 2009PoorGoodPoorFair84747.4
January 2008FairGoodFairFair84755.6
November 2006FairVery GoodFairFair84755.6
December 2005FairGoodFairFair84755.6
December 2004FairVery GoodFairFair84754.3
November 2002FairExcellentFairFair84754.3
November 2001FairExcellentFairFair84754.3
October 1999FairGoodFairSatisfactory73954.3
December 1998FairGoodSatisfactorySatisfactory73965.4
November 1996FairVery GoodSatisfactorySatisfactory76868.4
January 1996PoorPoorFairSatisfactory76852.3
November 1994PoorPoorFairSatisfactory46052.5
March 1993PoorPoorSatisfactorySatisfactory46062.5
January 1992PoorPoorSatisfactorySatisfactory46062.5