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I-75 NB over M-10

Map 

Coordinates:
+42.33523, -83.06454
42°20'07" N, 83°03'52" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I-75 NB over M-10
Structure number:000000000011768
Old structure number:82182195000S111 (from 1992 edition)
Location:IN DETROIT OVER US-10
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:124.0 ft. [37.8 m]
Total length:239.8 ft. [73.1 m]
Roadway width between curbs:45.9 ft. [14.0 m]
Deck width edge-to-edge:61.4 ft. [18.7 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1970
Year reconstructed:1999
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 22.5 / HS 25 [9]
Number of main spans:2
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 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:43,891 [as of 2007]
Truck traffic:10% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:97.5 tons [88.6 metric tons]
Inventory rating:58.5 tons [53.2 metric tons]
Sufficiency rating:89.0

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201589.0FairSatisfactoryGoodGood-43891
May 201389.0FairSatisfactoryGoodGood-43891
May 201189.0FairSatisfactoryGoodGood-43891
May 200989.0FairSatisfactoryGoodGood-43891
May 200889.0FairSatisfactoryGoodGood-43891
May 200689.0FairSatisfactoryGoodVery Good-42277
May 200489.0FairSatisfactorySatisfactorySatisfactory-45000
May 200278.0FairSatisfactorySatisfactoryFair-45000
May 200089.0FairSatisfactorySatisfactorySatisfactory-45000
September 199994.0FairSatisfactorySatisfactorySatisfactory-45000
August 199862.0PoorSatisfactoryPoorFairSD45000
May 199762.0PoorSatisfactoryPoorSatisfactorySD45000
August 199645.0PoorSatisfactorySatisfactorySeriousSD51400
August 199449.0PoorFairGoodPoorSD51400
July 199250.0PoorGoodGoodPoorSD51400
June 199049.0PoorFairVery GoodPoorSD51400