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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 

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. ratingEvaluationDeckSuper.Sub.ADT
December 2015100.0Not deficientSatisfactoryGoodGood10110
December 2013100.0Not deficientSatisfactoryGoodGood10110
March 2012100.0Not deficientSatisfactoryGoodGood10110
June 2010100.0Not deficientSatisfactoryGoodGood10110
January 2009100.0Not deficientSatisfactoryGoodGood10110
January 2007100.0Not deficientSatisfactoryGoodGood10110
January 2005100.0Not deficientSatisfactoryGoodGood10110
January 2003100.0Not deficientSatisfactoryGoodGood10110
January 2001100.0Not deficientSatisfactoryGoodGood10110
September 199889.0Not deficientSatisfactoryGoodFair10110
September 199687.0Not deficientGoodGoodFair10110
September 199487.0Not deficientSatisfactoryVery GoodFair10110
July 199271.0Structurally deficientGoodVery GoodPoor10110
June 199087.0Not deficientGoodVery GoodFair10110