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I-75 over RAMP TO DAVISON(M-8)

Map

Coordinates:
+42.40758, -83.07794
42°24'27" N, 83°04'41" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-75 over RAMP TO DAVISON(M-8)
Structure number:000000000011864
Old structure number:82182252000S280 (from 1992 edition)
Location:IN DETROIT OVER RAMP C TO
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:47.9 ft. [14.6 m]
Total length:49.9 ft. [15.2 m]
Roadway width between curbs:140.1 ft. [42.7 m]
Deck width edge-to-edge:148.0 ft. [45.1 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1969
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:Latex Concrete or similar additive [3]

Latest Available Inspection: May 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:159,874 [as of 2007]
Truck traffic:8% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:77.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2016FairFairGoodFair15987477.0
May 2014FairFairGoodFair15987477.0
May 2012FairFairGoodFair15987477.0
May 2010FairFairGoodSatisfactory15987488.0
June 2008FairFairGoodSatisfactory15987488.0
June 2006FairFairGoodSatisfactory16072888.0
June 2004FairFairGoodSatisfactory19400088.0
June 2002FairFairSatisfactorySatisfactory19400088.0
June 2000FairFairGoodSatisfactory19400088.0
September 1998GoodGoodGood-19400035.0
October 1996GoodGoodGood-11820030.0
October 1994FairFairGoodGood11820088.0
August 1992GoodGoodGoodGood11820089.0
July 1990FairSatisfactoryVery GoodSatisfactory11820089.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.3,2843,284000
Steel Protective Coatingsq. ft.96,97296,75721500
Deck
Reinforced Concrete Decksq. ft.79,59979,5130860
Substructure
Reinforced Concrete Abutmentlinear ft.9719517130
Concrete Protective Coatingsq. ft.46,19946,1455400
Joints
Pourable Jointlinear ft.9724862432430
Bearings
Movable Bearingeach2222000
Fixed Bearingeach2222000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.49226223000
Concrete Protective Coatingsq. ft.8,6118,50310800