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I-75 S-E RAMP over I-75 SB

Map 

Coordinates:
+42.36900, -83.05842
42°22'08" N, 83°03'30" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I-75 S-E RAMP over I-75 SB
Structure number:000000000011832
Old structure number:82182251000S305 (from 1992 edition)
Location:IN DETROIT
Purpose:Carries highway overpass (third level) over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:105.0 ft. [32.0 m]
Total length:192.9 ft. [58.8 m]
Roadway width between curbs:26.2 ft. [8.0 m]
Deck width edge-to-edge:29.2 ft. [8.9 m]
Vertical clearance below bridge:26.6 ft. [8.1 m]
Skew angle:55°
Owner:State Highway Agency [01]
Year built:1962
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:2
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: December 2015 

Good/Fair/Poor Condition:Fair
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:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:103.7 tons [94.3 metric tons]
Inventory rating:62.0 tons [56.4 metric tons]
Sufficiency rating:100.0
Recommended work:Bridge deck replacement with only incidental widening. [37]

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 2015100.0FairSatisfactoryGoodGood-10110
December 2013100.0FairSatisfactoryGoodGood-10110
March 2012100.0FairSatisfactoryGoodGood-10110
June 2010100.0FairSatisfactoryGoodGood-10110
January 2009100.0FairSatisfactoryGoodGood-10110
January 2007100.0FairSatisfactoryGoodGood-10110
January 2005100.0FairSatisfactoryGoodGood-10110
January 2003100.0FairSatisfactoryGoodGood-10110
January 2001100.0FairSatisfactoryGoodGood-10110
September 199889.0FairSatisfactoryGoodFair-10110
September 199687.0FairGoodGoodFair-10110
September 199487.0FairSatisfactoryVery GoodFair-10110
July 199271.0PoorGoodVery GoodPoorSD10110
June 199087.0FairGoodVery GoodFair-10110