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I-75NB&I-94WB RAMP over I-75 & RAMP

Map

Coordinates:
+42.36779, -83.05736
42°22'04" N, 83°03'26" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-75NB&I-94WB RAMP over I-75 & RAMP
Structure number:000000000011826
Old structure number:82182251000S250 (from 1992 edition)
Location:IN DETROIT
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:107.9 ft. [32.9 m]
Total length:772.0 ft. [235.3 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:29.2 ft. [8.9 m]
Vertical clearance below bridge:29.5 ft. [9.0 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1964
Year reconstructed:2002
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:9
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: March 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:10,110 [as of 1982]
Truck traffic:10% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Satisfactory [6 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:Equal to present desirable criteria [8]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:83.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2016FairVery GoodSatisfactoryFair1011083.0
March 2014FairVery GoodSatisfactorySatisfactory1011094.0
April 2012FairVery GoodSatisfactorySatisfactory1011094.0
June 2010FairVery GoodSatisfactorySatisfactory1011094.0
December 2007FairVery GoodSatisfactorySatisfactory1011094.0
December 2005FairExcellentSatisfactorySatisfactory1011094.0
October 2003FairExcellentSatisfactorySatisfactory1011096.0
November 2001PoorPoorSatisfactorySatisfactory1011093.0
January 2001PoorFairSatisfactoryPoor1011068.0
September 1999PoorFairSatisfactoryCritical1011036.0
November 1998PoorFairGoodSerious1011049.0
December 1997PoorFairGoodSerious1011049.0
September 1996PoorSatisfactoryGoodSerious1011054.0
September 1994PoorGoodVery GoodPoor1011071.0
July 1992FairGoodVery GoodFair1011086.0
June 1990FairGoodVery GoodFair1011086.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.15,2007,1466,5351,5190
Steel Protective Coatingsq. ft.465,873442,58023,29300
Deck
Reinforced Concrete Decksq. ft.242,651242,651000
Substructure
Reinforced Concrete Columneach30141510
Reinforced Concrete Abutmentlinear ft.3122466600
Reinforced Concrete Pier Caplinear ft.1,3251,06326200
Joints
Strip Seal Jointlinear ft.968096800
Pourable Jointlinear ft.322032200
Bearings
Movable Bearingeach40301000
Fixed Bearingeach51411000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.5,0693,5431,52600