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I-75 SB over E BR AU SABLE RIVER

Crawford County, Michigan

Map

Coordinates:
+44.68836, -84.69930
44°41'18" N, 84°41'57" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-75 SB over E BR AU SABLE RIVER
Structure number:000000000002040
Old structure number:20120015000B030 (from 1992 edition)
Location:2.4 MI N OF M-72
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:40.0 ft. [12.2 m]
Total length:40.0 ft. [12.2 m]
Roadway width between curbs:42.0 ft. [12.8 m]
Deck width edge-to-edge:46.9 ft. [14.3 m]
Owner:State Highway Agency [01]
Year built:1961
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
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 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:7,158 [as of 2007]
Truck traffic:11% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present desirable criteria [8]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Better than present minimum criteria [7]
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:92.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2018FairSatisfactorySatisfactorySatisfactory715892.3
May 2016FairSatisfactorySatisfactorySatisfactory715892.3
May 2014FairSatisfactoryVery GoodSatisfactory715892.3
June 2012FairGoodVery GoodSatisfactory715892.3
June 2010FairGoodVery GoodSatisfactory715892.3
June 2008FairGoodVery GoodSatisfactory715892.3
June 2006FairSatisfactoryVery GoodSatisfactory805792.2
June 2004FairSatisfactoryVery GoodSatisfactory450092.6
December 2002FairSatisfactoryVery GoodSatisfactory450092.6
December 2000FairSatisfactoryVery GoodSatisfactory450092.6
August 1999PoorPoorVery GoodSatisfactory450094.6
August 1997FairFairVery GoodSatisfactory450091.5
August 1995FairGoodVery GoodSatisfactory580092.5
June 1993FairGoodVery GoodSatisfactory580092.5
April 1991FairGoodVery GoodSatisfactory580092.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.4003604000
Steel Protective Coatingsq. ft.3,4693,12203470
Deck
Reinforced Concrete Decksq. ft.1,9201,8456690
Wearing Surfacessq. ft.1,6341,48580636
Substructure
Reinforced Concrete Abutmentlinear ft.216208080
Joints
Pourable Jointlinear ft.86003056
Bearings
Movable Bearingeach1001000
Fixed Bearingeach1001000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.8076310