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I-94EB-I-75NB RAMP over I-75

Map 

Coordinates:
+42.36841, -83.05814
42°22'06" N, 83°03'29" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I-94EB-I-75NB RAMP over I-75
Structure number:000000000011824
Old structure number:82182251000S230 (from 1992 edition)
Location:IN DETROIT
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:118.8 ft. [36.2 m]
Total length:306.8 ft. [93.5 m]
Roadway width between curbs:24.3 ft. [7.4 m]
Deck width edge-to-edge:29.2 ft. [8.9 m]
Vertical clearance below bridge:15.7 ft. [4.8 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1964
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:4
Main spans material:Steel [3]
Main spans 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: September 2015 

Status:Open, no restriction [A]
Average daily traffic:10,110 [as of 1982]
Truck traffic:3% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:84.8 tons [77.1 metric tons]
Inventory rating:50.9 tons [46.3 metric tons]
Sufficiency rating:96.0
Recommended work:Bridge deck replacement with only incidental widening. [37]
Estimated cost of work:$116,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201596.0Not deficientSatisfactoryGoodSatisfactory10110
January 201537.0Structurally deficientSatisfactoryGoodCritical10110
February 201396.0Not deficientSatisfactoryGoodSatisfactory10110
February 201196.0Not deficientSatisfactoryGoodSatisfactory10110
July 200996.0Not deficientSatisfactoryGoodSatisfactory10110
July 200796.0Not deficientSatisfactoryGoodSatisfactory10110
July 200596.0Not deficientSatisfactoryGoodSatisfactory10110
July 200398.0Not deficientSatisfactoryGoodSatisfactory10110
July 200187.0Not deficientSatisfactorySatisfactoryFair10110
May 200071.0Structurally deficientSatisfactorySatisfactoryPoor10110
November 199879.0Not deficientSatisfactorySatisfactoryFair10110
September 199696.0Not deficientSatisfactorySatisfactorySatisfactory10110
September 199496.0Not deficientSatisfactoryGoodSatisfactory10110
July 199297.0Not deficientSatisfactorySatisfactorySatisfactory10110
June 199097.0Not deficientGoodGoodSatisfactory10110