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I-75 over MCNICHOLS RD

Map 

Coordinates:
+42.41822, -83.08805
42°25'06" N, 83°05'17" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I-75 over MCNICHOLS RD
Structure number:000000000011858
Old structure number:82182252000S220 (from 1992 edition)
Location:IN DETROIT OVER MCNICHOLS
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:82.0 ft. [25.0 m]
Total length:224.7 ft. [68.5 m]
Roadway width between curbs:142.7 ft. [43.5 m]
Deck width edge-to-edge:149.3 ft. [45.5 m]
Vertical clearance below bridge:14.4 ft. [4.4 m]
Skew angle:29°
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]
Number of main spans:4
Main spans material:Prestressed concrete [5]
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 2016 

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:174,074 [as of 2007]
Truck traffic:7% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:85.9 tons [78.1 metric tons]
Inventory rating:38.2 tons [34.7 metric tons]
Sufficiency rating:92.0

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201692.0GoodVery GoodVery GoodVery Good-174074
May 201492.0GoodVery GoodVery GoodVery Good-174074
May 201292.0GoodVery GoodVery GoodVery Good-174074
July 201092.0GoodVery GoodVery GoodVery Good-174074
October 200892.0GoodVery GoodVery GoodGood-174074
October 200692.0GoodVery GoodVery GoodVery Good-178056
November 200492.0GoodExcellentExcellentExcellent-211000
September 200362.0PoorPoor-Poor-211000
September 200262.0PoorPoorFairPoor-211000
June 200162.0PoorPoorSatisfactoryPoorSD211000
July 200045.0PoorPoorSatisfactorySeriousSD211000
September 199952.0PoorFairSatisfactorySeriousSD211000
November 199845.0PoorPoorSatisfactorySeriousSD211000
June 199748.0PoorSatisfactorySatisfactorySeriousSD211000
September 199665.0PoorSatisfactoryGoodPoorSD112600
October 199464.0PoorFairGoodPoorSD112600
August 199265.0PoorSatisfactoryGoodPoorSD112600
July 199081.0FairSatisfactoryGoodFair-112600