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I-75 over CONRAIL RR

Map

Coordinates:
+42.41492, -83.08527
42°24'54" N, 83°05'07" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-75 over CONRAIL RR
Structure number:000000000011838
Old structure number:82182252000R080 (from 1992 edition)
Location:IN DETROIT
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:60.7 ft. [18.5 m]
Total length:220.2 ft. [67.1 m]
Roadway width between curbs:166.7 ft. [50.8 m]
Deck width edge-to-edge:173.6 ft. [52.9 m]
Vertical clearance below bridge:23.0 ft. [7.0 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1969
Year reconstructed:2003
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:4
Main spans material:Prestressed concrete [5]
Main spans design:Box Beam or girders - Single or Spread [06]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: May 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:174,074 [as of 2007]
Truck traffic:7% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Superior to present desirable criteria [9]
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:60.3 tons [54.8 metric tons]
Inventory rating:29.6 tons [26.9 metric tons]
Sufficiency rating:78.8

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201678.8GoodGoodVery GoodGood-174074
June 201478.8GoodGoodVery GoodGood-174074
June 201278.8GoodGoodVery GoodGood-174074
July 201081.0GoodGoodVery GoodGood-174074
March 200881.0GoodVery GoodVery GoodGood-174074
March 200681.0GoodVery GoodVery GoodGood-183398
March 200485.0GoodExcellentExcellentGood-211000
December 200257.0PoorFairFairPoor-211000
September 200157.0PoorFairFairPoorSD211000
June 200057.0PoorFairFairPoorSD211000
September 199858.0PoorSatisfactoryFairPoorSD211000
October 199674.0FairSatisfactoryGoodFair-112600
September 199674.0FairSatisfactoryGoodFair-211000
October 199474.0FairSatisfactoryGoodFair-112600
August 199274.0FairSatisfactoryGoodFair-112600
July 199085.0FairSatisfactoryVery GoodSatisfactory-112600