+43.56880, -85.90927
43°34'08" N, 85°54'33" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:M-20 over WHITE RIVER
Structure number:000000000007713
Old structure number:62162014000B010 (from 1992 edition)
Location:6.5 MI E OF HESPERIA
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:56.1 ft. [17.1 m]
Total length:151.9 ft. [46.3 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:47.9 ft. [14.6 m]
Skew angle:45°
Owner:State Highway Agency [01]
Year built:1970
Year reconstructed:2008
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 [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: June 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:4,400 [as of 2009]
Truck traffic:9% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Better than present minimum criteria [7]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:99.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2018FairSatisfactorySatisfactoryGood440099.0
June 2016FairSatisfactorySatisfactoryGood440099.0
April 2015FairSatisfactorySatisfactoryGood440099.0
April 2013FairGoodSatisfactoryGood440099.0
April 2011FairGoodSatisfactoryGood440099.0
December 2009FairGoodSatisfactoryGood440099.0
April 2007PoorPoorSatisfactoryGood419996.0
May 2005FairSatisfactorySatisfactoryGood410099.0
June 2003FairSatisfactorySatisfactoryGood410098.9
June 2001FairSatisfactorySatisfactoryGood410098.8
June 1999FairSatisfactorySatisfactoryGood410098.8
June 1997FairSatisfactorySatisfactoryGood410096.8
August 1995FairFairGoodSatisfactory250096.2
August 1993FairSatisfactoryGoodSatisfactory250097.3
May 1991FairVery GoodGoodSatisfactory250097.3