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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:16.7 ft. [5.1 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 

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. ratingEvaluationDeckSuper.Sub.ADT
May 201589.0Not deficientSatisfactoryGoodGood43891
May 201389.0Not deficientSatisfactoryGoodGood43891
May 201189.0Not deficientSatisfactoryGoodGood43891
May 200989.0Not deficientSatisfactoryGoodGood43891
May 200889.0Not deficientSatisfactoryGoodGood43891
May 200689.0Not deficientSatisfactoryGoodVery Good42277
May 200489.0Not deficientSatisfactorySatisfactorySatisfactory45000
May 200278.0Not deficientSatisfactorySatisfactoryFair45000
May 200089.0Not deficientSatisfactorySatisfactorySatisfactory45000
September 199994.0Not deficientSatisfactorySatisfactorySatisfactory45000
August 199862.0Structurally deficientSatisfactoryPoorFair45000
May 199762.0Structurally deficientSatisfactoryPoorSatisfactory45000
August 199645.0Structurally deficientSatisfactorySatisfactorySerious51400
August 199449.0Structurally deficientFairGoodPoor51400
July 199250.0Structurally deficientGoodGoodPoor51400
June 199049.0Structurally deficientFairVery GoodPoor51400