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I-75 N TO I-375 N over I-375

Map 

Coordinates:
+42.34233, -83.04340
42°20'32" N, 83°02'36" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I-75 N TO I-375 N over I-375
Structure number:000000000011801
Old structure number:82182251000S030 (from 1992 edition)
Location:IN DETROIT OVER I-375
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:118.8 ft. [36.2 m]
Total length:398.0 ft. [121.3 m]
Roadway width between curbs:34.5 ft. [10.5 m]
Deck width edge-to-edge:38.4 ft. [11.7 m]
Vertical clearance below bridge:15.1 ft. [4.6 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:5
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: March 2016 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:43,796 [as of 2007]
Truck traffic:15% of total traffic
Deck condition:Satisfactory [6 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:Better than present minimum criteria [7]
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]
Operating rating:67.0 tons [60.9 metric tons]
Inventory rating:40.3 tons [36.6 metric tons]
Sufficiency rating:96.0

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
March 201696.0FairSatisfactoryGoodGoodFO43796
March 201496.0FairSatisfactoryGoodGoodFO43796
March 201296.0FairSatisfactoryGoodGoodFO43796
April 201096.0FairSatisfactoryGoodGoodFO43796
March 200996.0GoodGoodGoodGoodFO43796
August 200786.0FairFairFairFair-39301
July 200586.0FairFairFairFair-39301
July 200386.0FairFairFairFair-12200
July 200186.0FairFairFairFair-12200
May 200070.0PoorFairFairPoorSD12200
August 199866.0PoorSatisfactoryFairPoorSD12200
September 199696.0FairSatisfactorySatisfactorySatisfactory-12200
August 199496.0FairSatisfactorySatisfactorySatisfactory-12200
August 199296.0FairSatisfactoryGoodSatisfactory-12200
June 199096.0FairSatisfactoryGoodSatisfactory-12200