M-33 M-72 over AU SABLE RIVER


+44.65993, -84.12896
44°39'36" N, 84°07'44" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:M-33 M-72 over AU SABLE RIVER
Structure number:000000000008658
Old structure number:68168012000B010 (from 1992 edition)
Location:0.7 MI N OF S JCT M-72
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:160.8 ft. [49.0 m]
Total length:160.8 ft. [49.0 m]
Roadway width between curbs:47.9 ft. [14.6 m]
Deck width edge-to-edge:51.8 ft. [15.8 m]
Owner:State Highway Agency [01]
Year built:1984
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 22.5 / HS 25 [9]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: May 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:7,862 [as of 2007]
Truck traffic:8% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Better than present minimum criteria [7]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:93.4

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2017GoodVery GoodVery GoodGood786293.4
May 2015GoodVery GoodVery GoodGood786293.4
July 2013GoodVery GoodVery GoodGood786293.4
July 2011GoodVery GoodVery GoodGood786293.4
July 2009GoodVery GoodVery GoodGood786293.4
November 2007GoodVery GoodVery GoodGood857092.8
July 2005GoodGoodVery GoodGood857092.8
July 2003GoodGoodVery GoodGood870092.3
August 2001GoodGoodVery GoodGood870092.3
September 1999GoodGoodVery GoodGood870092.3
September 1997GoodGoodVery GoodGood870090.3
September 1996GoodVery GoodVery Good-870026.0
September 1995GoodGoodVery GoodGood410094.3
June 1993GoodGoodVery GoodGood410094.3
April 1991GoodGoodVery GoodVery Good410094.3

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.1,1201,120000
Steel Protective Coatingsq. ft.13,6170013,6170
Reinforced Concrete Decksq. ft.8,2208,212800
Wearing Surfacessq. ft.7,6807,680000
Reinforced Concrete Abutmentlinear ft.132132000
Concrete Protective Coatingsq. ft.808808000
Pourable Jointlinear ft.104104000
Other Jointlinear ft.5248040
Movable Bearingeach70070
Fixed Bearingeach77000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.382382000
Reinforced Concrete Bridge Raillinear ft.406406000
Concrete Protective Coatingsq. ft.1,3801,380000