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M-10 N-W RAMP over I-75 & EXIT RAMPS

Map 

Coordinates:
+42.33530, -83.06416
42°20'07" N, 83°03'51" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:M-10 N-W RAMP over I-75 & EXIT RAMPS
Structure number:000000000011772
Old structure number:82182195000S150 (from 1992 edition)
Location:IN DETROIT
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:69.9 ft. [21.3 m]
Total length:401.9 ft. [122.5 m]
Roadway width between curbs:27.6 ft. [8.4 m]
Deck width edge-to-edge:30.8 ft. [9.4 m]
Vertical clearance below bridge:17.1 ft. [5.2 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1970
Year reconstructed:1998
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:6
Main spans material:Steel [3]
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, no restriction [A]
Average daily traffic:11,370 [as of 1982]
Truck traffic:3% of total traffic
Deck condition:Good [7 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:Superior to present desirable criteria [9]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Inventory rating:67.5 tons [61.4 metric tons]
Sufficiency rating:100.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 2015100.0Not deficientGoodGoodSatisfactory11370
May 2013100.0Not deficientVery GoodGoodSatisfactory11370
May 2011100.0Not deficientVery GoodGoodSatisfactory11370
May 2009100.0Not deficientVery GoodSatisfactorySatisfactory11370
May 2008100.0Not deficientVery GoodSatisfactorySatisfactory11370
May 200696.0Not deficientVery GoodSatisfactorySatisfactory11370
May 200496.0Not deficientVery GoodSatisfactorySatisfactory11370
May 200296.0Not deficientVery GoodSatisfactorySatisfactory11370
May 200096.0Not deficientVery GoodSatisfactorySatisfactory11370
August 199858.0Not deficientSeriousFairPoor11370
August 199668.0Structurally deficientPoorFairPoor11370
August 199484.0Structurally deficientPoorSatisfactoryFair11370
August 199284.0Structurally deficientPoorSatisfactoryFair11370
June 199095.0Structurally deficientPoorSatisfactorySatisfactory11370