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M-3 WB CONN over I-375 & I-75 RAMP

Map 

Coordinates:
+42.34333, -83.04450
42°20'36" N, 83°02'40" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:M-3 WB CONN over I-375 & I-75 RAMP
Structure number:000000000011811
Old structure number:82182251000S094 (from 1992 edition)
Location:IN DETROIT OVER I-375 NW
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:38.7 ft. [11.8 m]
Total length:38.7 ft. [11.8 m]
Roadway width between curbs:41.3 ft. [12.6 m]
Deck width edge-to-edge:44.9 ft. [13.7 m]
Vertical clearance below bridge:15.1 ft. [4.6 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1964
Year reconstructed:1998
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Main span material:Steel [3]
Main span 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: March 2016 

Status:Open, no restriction [A]
Average daily traffic:22,748 [as of 2007]
Deck condition:Good [7 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Better than present minimum criteria [7]
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]
Inventory rating:66.9 tons [60.8 metric tons]
Sufficiency rating:87.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
March 201687.0Not deficientGoodFairSatisfactory22748
March 201487.0Not deficientGoodFairSatisfactory22748
March 201287.0Not deficientGoodFairSatisfactory22748
March 201087.0Not deficientGoodFairSatisfactory22748
May 200897.0Not deficientGoodSatisfactorySatisfactory22748
May 200697.0Not deficientGoodSatisfactorySatisfactory14166
June 200497.0Not deficientVery GoodSatisfactorySatisfactory14360
May 200297.0Not deficientVery GoodSatisfactorySatisfactory14360
May 200097.0Not deficientVery GoodSatisfactorySatisfactory14360
August 199877.0Not deficientFairFairSatisfactory14360
September 199697.0Not deficientSatisfactoryGoodGood14360
August 199497.0Not deficientSatisfactoryVery GoodGood14360
August 199297.0Not deficientSatisfactoryVery GoodSatisfactory14360
June 199097.0Not deficientGoodVery GoodGood14360