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I-75 E-N RAMP over M-10

Map

Coordinates:
+42.33360, -83.06366
42°20'01" N, 83°03'49" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-75 E-N RAMP over M-10
Structure number:000000000011766
Old structure number:82182195000S080 (from 1992 edition)
Location:IN DETROIT
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:85.0 ft. [25.9 m]
Total length:331.1 ft. [100.9 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:30.2 ft. [9.2 m]
Vertical clearance below bridge:14.8 ft. [4.5 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1970
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:5
Main spans material:Steel continuous [4]
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: May 2016

Good/Fair/Poor Condition:Poor
Status:Open, would be posted or closed except for temporary shoring [D]
Average daily traffic:15,420 [as of 1982]
Truck traffic:3% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
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 minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:36.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201636.0PoorFairPoorPoorSD15420
May 201536.0PoorFairPoorPoorSD15420
May 201468.0PoorFairPoorPoorSD15420
May 201368.0PoorFairPoorPoorSD15420
May 201168.0PoorFairFairPoorSD15420
May 200968.0PoorFairFairPoorSD15420
May 200884.0FairFairFairFairFO15420
May 200684.0FairFairFairFairFO15420
May 200484.0FairFairFairFairFO15420
May 200291.0FairFairSatisfactorySatisfactoryFO15420
May 200084.0FairFairSatisfactoryFairFO15420
August 199891.0FairSatisfactorySatisfactorySatisfactoryFO15420
August 199694.0GoodGoodGoodGoodFO15420
August 199493.0FairFairGoodGoodFO15420
July 199294.0GoodGoodVery GoodGoodFO15420
June 199094.0FairSatisfactoryVery GoodGoodFO15420

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.1,3241,0822003012
Deck
Reinforced Concrete Decksq. ft.9,9905,99004,0000
Substructure
Reinforced Concrete Columneach120651
Reinforced Concrete Abutmentlinear ft.604010100
Joints
Pourable Jointlinear ft.603020100
Other Jointlinear ft.60303000
Bearings
Movable Bearingeach2001280
Fixed Bearingeach120471
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.6623622001000