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

Map

Coordinates:
+42.41008, -83.08042
42°24'36" N, 83°04'50" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-75 over RAMP D TO DAVISON(M-8)
Structure number:000000000011870
Old structure number:82182252000S360 (from 1992 edition)
Location:IN DETROIT OVER N-W RAMPT
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:49.9 ft. [15.2 m]
Total length:49.9 ft. [15.2 m]
Roadway width between curbs:145.7 ft. [44.4 m]
Deck width edge-to-edge:147.6 ft. [45.0 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1969
Year reconstructed:2003
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: April 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:174,074 [as of 2007]
Truck traffic:7% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 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]
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:94.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2018GoodGoodGoodGood17407494.0
May 2016GoodGoodGoodGood17407494.0
May 2014GoodGoodGoodVery Good17407494.0
May 2012GoodGoodGoodVery Good17407494.0
May 2010GoodVery GoodVery GoodVery Good17407494.0
June 2008GoodVery GoodVery GoodVery Good17407494.0
June 2006GoodVery GoodVery GoodVery Good18339894.0
June 2004GoodVery GoodVery GoodVery Good11260094.0
June 2002FairFairSatisfactoryGood11260093.0
June 2000FairFairGoodGood11260093.0
September 1998FairSatisfactoryGood-11260035.0
October 1996FairSatisfactoryGood-11260035.0
October 1994FairFairVery GoodGood11260093.0
August 1992FairSatisfactoryVery GoodGood11260094.0
July 1990FairSatisfactoryVery GoodGood11260094.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.1,0501,0401000
Steel Protective Coatingsq. ft.9,4509,4005000
Deck
Reinforced Concrete Decksq. ft.7,3807,23214800
Substructure
Reinforced Concrete Abutmentlinear ft.2952851000
Concrete Protective Coatingsq. ft.4,2704,1858500
Joints
Strip Seal Jointlinear ft.148148000
Pourable Jointlinear ft.1483774370
Other Jointlinear ft.148148000
Bearings
Movable Bearingeach2323000
Fixed Bearingeach2323000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1501351500
Concrete Protective Coatingsq. ft.8007208000