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7 MI RD over M-39

Map

Coordinates:
+42.43002, -83.21923
42°25'48" N, 83°13'09" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:7 MI RD over M-39
Structure number:000000000011711
Old structure number:82182193000S080 (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:53.2 ft. [16.2 m]
Total length:108.6 ft. [33.1 m]
Roadway width between curbs:113.9 ft. [34.7 m]
Deck width edge-to-edge:135.2 ft. [41.2 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:State Highway Agency [01]
Year built:1963
Year reconstructed:2010
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:2
Main spans material:Steel continuous [4]
Main spans 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: February 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:30,550 [as of 1978]
Deck condition:Very Good [8 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Better than present minimum criteria [7]
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:96.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
February 2018FairVery GoodSatisfactoryGood3055096.0
February 2016FairExcellentSatisfactoryGood3055096.0
February 2014FairExcellentSatisfactoryGood3055096.0
February 2012FairExcellentSatisfactoryGood3055095.0
September 2011FairExcellentSatisfactorySatisfactory3055095.0
October 2009PoorSeriousSatisfactoryFair3055079.0
January 2009PoorSeriousSatisfactoryFair3055079.0
October 2007PoorSeriousSatisfactorySatisfactory3055090.0
September 2006PoorSeriousSatisfactorySatisfactory3055090.0
June 2005PoorSeriousGoodSatisfactory3055090.0
February 2004PoorSeriousGoodSatisfactory3055090.0
November 2002PoorSeriousGoodSatisfactory3055090.0
August 2001PoorSeriousGoodSatisfactory3055090.0
June 2000PoorSeriousGoodSatisfactory3055090.0
July 1998PoorPoorGoodGood3055092.0
August 1996PoorPoorSatisfactoryGood3055092.0
August 1994FairFairSatisfactoryGood3055094.0
June 1992FairSatisfactoryGoodGood3055095.0
May 1990FairSatisfactoryVery GoodGood3055095.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.7,8313,8943,2816560
Steel Protective Coatingsq. ft.211,984211,984000
Deck
Reinforced Concrete Decksq. ft.157,853157,853000
Substructure
Reinforced Concrete Columneach1010000
Concrete Protective Coatingsq. ft.42,94842,948000
Reinforced Concrete Abutmentlinear ft.886886000
Concrete Protective Coatingsq. ft.42,94842,948000
Reinforced Concrete Pier Caplinear ft.443443000
Concrete Protective Coatingsq. ft.18,61118,611000
Joints
Strip Seal Jointlinear ft.88617770900
Pourable Jointlinear ft.88617770900
Bearings
Movable Bearingeach4444000
Fixed Bearingeach2222000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.709709000
Concrete Protective Coatingsq. ft.11,38811,388000