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

Map 

Coordinates:
+42.40861, -83.07920
42°24'31" N, 83°04'45" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I-75 over RAMP TO DAVISON(M-8)
Structure number:000000000011864
Old structure number:82182252000S280 (from 1992 edition)
Location:IN DETROIT OVER RAMP C TO
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:47.9 ft. [14.6 m]
Total length:49.9 ft. [15.2 m]
Roadway width between curbs:140.1 ft. [42.7 m]
Deck width edge-to-edge:148.0 ft. [45.1 m]
Vertical clearance below bridge:14.4 ft. [4.4 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1969
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:159,874 [as of 2007]
Truck traffic:8% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:95.6 tons [86.9 metric tons]
Inventory rating:57.3 tons [52.1 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:77.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201477.0Functionally obsoleteFairGoodFair159874
May 201277.0Functionally obsoleteFairGoodFair159874
May 201088.0Functionally obsoleteFairGoodSatisfactory159874
June 200888.0Functionally obsoleteFairGoodSatisfactory159874
June 200688.0Functionally obsoleteFairGoodSatisfactory160728
June 200488.0Functionally obsoleteFairGoodSatisfactory194000
June 200288.0Functionally obsoleteFairSatisfactorySatisfactory194000
June 200088.0Functionally obsoleteFairGoodSatisfactory194000
September 199835.0Structurally deficientGoodGood-194000
October 199630.0Structurally deficientGoodGood-118200
October 199488.0Functionally obsoleteFairGoodGood118200
August 199289.0Functionally obsoleteGoodGoodGood118200
July 199089.0Functionally obsoleteSatisfactoryVery GoodSatisfactory118200