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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
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

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 2015 

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]
Evaluation:Structurally deficient [1]
Sufficiency rating:36.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201536.0Structurally deficientFairPoorPoor15420
May 201468.0Structurally deficientFairPoorPoor15420
May 201368.0Structurally deficientFairPoorPoor15420
May 201168.0Structurally deficientFairFairPoor15420
May 200968.0Structurally deficientFairFairPoor15420
May 200884.0Functionally obsoleteFairFairFair15420
May 200684.0Functionally obsoleteFairFairFair15420
May 200484.0Functionally obsoleteFairFairFair15420
May 200291.0Functionally obsoleteFairSatisfactorySatisfactory15420
May 200084.0Functionally obsoleteFairSatisfactoryFair15420
August 199891.0Functionally obsoleteSatisfactorySatisfactorySatisfactory15420
August 199694.0Functionally obsoleteGoodGoodGood15420
August 199493.0Functionally obsoleteFairGoodGood15420
July 199294.0Functionally obsoleteGoodVery GoodGood15420
June 199094.0Functionally obsoleteSatisfactoryVery GoodGood15420