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7 MI RD SB LFT TRN over I-75

Map

Coordinates:
+42.43171, -83.09456
42°25'54" N, 83°05'40" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:7 MI RD SB LFT TRN over I-75
Structure number:000000000011848
Old structure number:82182252000S080 (from 1992 edition)
Location:IN DETROIT
Purpose:Carries highway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:73.5 ft. [22.4 m]
Total length:216.2 ft. [65.9 m]
Roadway width between curbs:20.7 ft. [6.3 m]
Deck width edge-to-edge:24.0 ft. [7.3 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:State Highway Agency [01]
Year built:1967
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:4,900 [as of 2007]
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:95.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2016GoodVery GoodVery GoodGood490095.0
May 2014GoodVery GoodVery GoodGood490094.0
May 2012GoodVery GoodVery GoodGood490094.0
July 2010GoodVery GoodVery GoodGood490094.0
August 2008GoodVery GoodVery GoodGood490092.0
May 2007GoodVery GoodVery GoodGood490092.0
May 2005GoodVery GoodVery GoodGood490094.0
February 2004GoodExcellentExcellentGood490094.0
June 2002PoorPoorFairSerious490049.0
September 2001PoorPoorFairSerious490049.0
June 2000PoorFairFairPoor490066.0
September 1998FairFairFairFair490081.0
October 1996FairFairGoodFair490068.0
September 1996FairFairGoodFair490081.0
October 1994FairSatisfactoryGoodSatisfactory490093.0
August 1992FairSatisfactoryGoodSatisfactory490093.0
July 1990FairSatisfactoryGoodSatisfactory490094.0