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I-75 SB over M-10

Map 

Coordinates:
+42.33548, -83.06426
42°20'08" N, 83°03'51" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I-75 SB over M-10
Structure number:000000000011769
Old structure number:82182195000S112 (from 1992 edition)
Location:IN DETROIT
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:117.8 ft. [35.9 m]
Total length:235.9 ft. [71.9 m]
Roadway width between curbs:62.7 ft. [19.1 m]
Deck width edge-to-edge:82.0 ft. [25.0 m]
Vertical clearance below bridge:16.1 ft. [4.9 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1953
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:14% of total traffic
Deck condition:Good [7 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:Basically intolerable requiring high priority of replacement [2]
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]
Evaluation:Functionally obsolete [2]
Sufficiency rating:77.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201577.0Functionally obsoleteGoodGoodGood43891
May 201377.0Functionally obsoleteGoodGoodGood43891
May 201177.0Functionally obsoleteGoodGoodGood43891
May 200977.0Functionally obsoleteGoodGoodGood43891
May 200877.0Functionally obsoleteGoodGoodGood43891
May 200677.0Not deficientVery GoodGoodVery Good45000
May 200466.0Not deficientVery GoodFairFair45000
May 200266.0Not deficientVery GoodFairFair45000
May 200066.0Functionally obsoleteVery GoodFairFair45000
August 199849.0Structurally deficientFairFairPoor45000
August 199649.0Structurally deficientFairSatisfactoryPoor51400
August 199450.0Structurally deficientSatisfactoryGoodPoor51400
July 199250.0Structurally deficientSatisfactoryGoodPoor51400
June 199050.0Structurally deficientSatisfactoryGoodPoor51400