Share:

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 2014 

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. ratingEvaluationDeckSuper.Sub.ADT
May 201492.0Not deficientVery GoodVery GoodVery Good174074
May 201292.0Not deficientVery GoodVery GoodVery Good174074
July 201092.0Not deficientVery GoodVery GoodVery Good174074
October 200892.0Not deficientVery GoodVery GoodGood174074
October 200692.0Not deficientVery GoodVery GoodVery Good178056
November 200492.0Not deficientExcellentExcellentExcellent211000
September 200362.0Not deficientPoor-Poor211000
September 200262.0Not deficientPoorFairPoor211000
June 200162.0Structurally deficientPoorSatisfactoryPoor211000
July 200045.0Structurally deficientPoorSatisfactorySerious211000
September 199952.0Structurally deficientFairSatisfactorySerious211000
November 199845.0Structurally deficientPoorSatisfactorySerious211000
June 199748.0Structurally deficientSatisfactorySatisfactorySerious211000
September 199665.0Structurally deficientSatisfactoryGoodPoor112600
October 199464.0Structurally deficientFairGoodPoor112600
August 199265.0Structurally deficientSatisfactoryGoodPoor112600
July 199081.0Not deficientSatisfactoryGoodFair112600