7 MI RD over I-75


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


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)
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: April 2018

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
April 2018GoodVery GoodGoodGood1673877.0
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

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.2,1982,1881000
Steel Pin or Pin & Hangar Assemblyeach2018200
Reinforced Concrete Columneach1514100
Reinforced Concrete Abutmentlinear ft.1411311000
Reinforced Concrete Pier Caplinear ft.2102001000
Strip Seal Jointlinear ft.138138000
Pourable Jointlinear ft.138138000
Movable Bearingeach2020000
Fixed Bearingeach4040000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.4404202000