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I-75 over RAMP D TO DAVISON(M-8)

Map 

Coordinates:
+42.40891, -83.07979
42°24'32" N, 83°04'47" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I-75 over RAMP D TO DAVISON(M-8)
Structure number:000000000011870
Old structure number:82182252000S360 (from 1992 edition)
Location:IN DETROIT OVER N-W RAMPT
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:49.9 ft. [15.2 m]
Total length:49.9 ft. [15.2 m]
Roadway width between curbs:145.7 ft. [44.4 m]
Deck width edge-to-edge:147.6 ft. [45.0 m]
Vertical clearance below bridge:14.1 ft. [4.3 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1969
Year reconstructed:2003
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Main span material:Steel [3]
Main span 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: May 2014 

Status:Open, no restriction [A]
Average daily traffic:174,074 [as of 2007]
Truck traffic:7% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
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:87.3 tons [79.4 metric tons]
Inventory rating:52.4 tons [47.6 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:94.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201494.0Functionally obsoleteGoodGoodVery Good174074
May 201294.0Functionally obsoleteGoodGoodVery Good174074
May 201094.0Not deficientVery GoodVery GoodVery Good174074
June 200894.0Not deficientVery GoodVery GoodVery Good174074
June 200694.0Not deficientVery GoodVery GoodVery Good183398
June 200494.0Not deficientVery GoodVery GoodVery Good112600
June 200293.0Not deficientFairSatisfactoryGood112600
June 200093.0Functionally obsoleteFairGoodGood112600
September 199835.0Structurally deficientSatisfactoryGood-112600
October 199635.0Structurally deficientSatisfactoryGood-112600
October 199493.0Functionally obsoleteFairVery GoodGood112600
August 199294.0Functionally obsoleteSatisfactoryVery GoodGood112600
July 199094.0Functionally obsoleteSatisfactoryVery GoodGood112600