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7 MI RD over I-75

Map

Coordinates:
+42.43248, -83.09465
42°25'57" N, 83°05'41" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:7 MI RD over I-75
Structure number:000000000011847
Old structure number:82182252000S070 (from 1992 edition)
Location:IN DETROIT
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:74.8 ft. [22.8 m]
Total length:219.8 ft. [67.0 m]
Roadway width between curbs:47.9 ft. [14.6 m]
Deck width edge-to-edge:70.2 ft. [21.4 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:
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 / HS 20 [5]
Number of main spans:4
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: May 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:16,738 [as of 2010]
Deck condition:Very Good [8 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: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:77.0
Recommended work:Bridge deck replacement with only incidental widening. [37]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2016GoodVery GoodGoodGood1673877.0
May 2014GoodVery GoodGoodGood1673877.0
May 2012GoodVery GoodGoodGood1673877.0
July 2010GoodVery GoodGoodGood1943077.0
August 2008GoodVery GoodGoodGood1943077.0
August 2006GoodVery GoodGoodGood1943079.0
May 2005GoodVery GoodVery GoodGood1943077.0
February 2004PoorSeriousPoorPoor1943047.0
August 2002PoorSeriousPoorPoor1943047.0
November 2001PoorSeriousPoorPoor1943047.0
May 2001PoorSeriousSeriousPoor1943032.0
September 1999PoorSeriousPoorPoor1943047.0
August 1998PoorSeriousPoorPoor1943047.0
July 1997PoorSeriousPoorPoor1943047.0
September 1996PoorPoorPoorPoor1943049.0
October 1994PoorSatisfactoryPoorSatisfactory1943050.0
August 1992PoorSatisfactoryPoorSatisfactory1943050.0
July 1990PoorSatisfactoryPoorSatisfactory1943050.0