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

Map 

Coordinates:
+42.34014, -83.04133
42°20'25" N, 83°02'29" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:M-3 EB CONN over I-375 & I-75 RAMP
Structure number:000000000011810
Old structure number:82182251000S093 (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:53.2 ft. [16.2 m]
Deck width edge-to-edge:56.8 ft. [17.3 m]
Vertical clearance below bridge:17.4 ft. [5.3 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:Equal to present minimum criteria [6]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Inventory rating:66.9 tons [60.8 metric tons]
Sufficiency rating:89.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
March 201689.0Not deficientGoodFairSatisfactory22748
March 201489.0Not deficientGoodFairSatisfactory22748
March 201289.0Not deficientGoodFairSatisfactory22748
March 201089.0Not deficientGoodFairSatisfactory22748
May 2008100.0Not deficientVery GoodSatisfactorySatisfactory22748
May 200698.0Not deficientVery GoodSatisfactorySatisfactory14166
May 200498.0Not deficientVery GoodSatisfactorySatisfactory14360
May 200298.0Not deficientVery GoodSatisfactorySatisfactory14360
May 200098.0Not deficientVery GoodSatisfactorySatisfactory14360
August 199883.0Not deficientFairFairSatisfactory14360
September 199697.0Not deficientSatisfactoryGoodSatisfactory14360
August 199498.0Not deficientSatisfactoryVery GoodSatisfactory14360
August 199298.0Not deficientSatisfactoryVery GoodSatisfactory14360
June 199098.0Not deficientGoodVery GoodGood14360