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CSAH 21 over N BR ROOT RIVER

Map

Coordinates:
+43.78269, -92.03223
43°46'58" N, 92°01'56" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:CSAH 21 over N BR ROOT RIVER
Structure number:23521
Location:0.9 MI N OF JCT CSAH 6
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:95.1 ft. [29.0 m]
Total length:251.7 ft. [76.7 m]
Roadway width between curbs:32.2 ft. [9.8 m]
Deck width edge-to-edge:35.8 ft. [10.9 m]
Owner:County Highway Agency [02]
Year built:1977
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Steel continuous [4]
Main spans 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: April 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:135 [as of 2013]
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Superior to present desirable criteria [9]
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:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:100.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2018FairSatisfactoryGoodSatisfactory135100.0
April 2016FairSatisfactoryGoodSatisfactory130100.0
April 2014FairSatisfactoryGoodSatisfactory130100.0
April 2012FairSatisfactoryGoodSatisfactory130100.0
March 2010FairSatisfactoryGoodSatisfactory130100.0
April 2008FairSatisfactoryGoodSatisfactory130100.0
March 2006FairSatisfactoryGoodGood130100.0
November 2004FairSatisfactoryGoodGood12099.0
April 2002FairSatisfactoryVery GoodGood13099.0
April 2000FairSatisfactoryVery GoodGood13099.0
March 1999FairSatisfactoryVery GoodGood13099.0
March 1996FairSatisfactoryVery GoodGood10098.0
May 1994FairSatisfactoryVery GoodGood10098.0
February 1994FairSatisfactoryVery GoodGood10098.0
April 1992FairSatisfactoryVery GoodGood10098.0
April 1991FairSatisfactoryVery GoodVery Good10098.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.1,00401,00400
Steel Protective Coatingsq. ft.8,86508,86500
Deck
Reinforced Concrete Decksq. ft.9,0048,89211200
Wearing Surfacessq. ft.8,0517,93911200
Substructure
Reinforced Concrete Pier Walllinear ft.5956030
Reinforced Concrete Abutmentlinear ft.112106600
Reinforced Concrete Pier Caplinear ft.7272000
Joints
Strip Seal Jointlinear ft.3603600
Bearings
Movable Bearingeach1212000
Fixed Bearingeach44000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.502050200