Share:

I-75 N TO I-375 N over I-375

Map

Coordinates:
+42.34234, -83.04338
42°20'32" N, 83°02'36" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-75 N TO I-375 N over I-375
Structure number:000000000011801
Old structure number:82182251000S030 (from 1992 edition)
Location:IN DETROIT OVER I-375
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:118.8 ft. [36.2 m]
Total length:398.0 ft. [121.3 m]
Roadway width between curbs:34.5 ft. [10.5 m]
Deck width edge-to-edge:38.4 ft. [11.7 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1964
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:5
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: March 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:43,796 [as of 2007]
Truck traffic:15% of total traffic
Deck condition:Good [7 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: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
March 2018GoodGoodGoodGood4379696.0
March 2016FairSatisfactoryGoodGood4379696.0
March 2014FairSatisfactoryGoodGood4379696.0
March 2012FairSatisfactoryGoodGood4379696.0
April 2010FairSatisfactoryGoodGood4379696.0
March 2009GoodGoodGoodGood4379696.0
August 2007FairFairFairFair3930186.0
July 2005FairFairFairFair3930186.0
July 2003FairFairFairFair1220086.0
July 2001FairFairFairFair1220086.0
May 2000PoorFairFairPoor1220070.0
August 1998PoorSatisfactoryFairPoor1220066.0
September 1996FairSatisfactorySatisfactorySatisfactory1220096.0
August 1994FairSatisfactorySatisfactorySatisfactory1220096.0
August 1992FairSatisfactoryGoodSatisfactory1220096.0
June 1990FairSatisfactoryGoodSatisfactory1220096.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.2,3882,3781000
Steel Protective Coatingsq. ft.24,71424,46724700
Deck
Reinforced Concrete Decksq. ft.15,4037,3638,000400
Substructure
Reinforced Concrete Columneach1513200
Concrete Protective Coatingsq. ft.2,7002,700000
Reinforced Concrete Abutmentlinear ft.79611800
Concrete Protective Coatingsq. ft.4744502400
Reinforced Concrete Pier Caplinear ft.169161800
Concrete Protective Coatingsq. ft.2,0281,92710100
Joints
Strip Seal Jointlinear ft.79059200
Pourable Jointlinear ft.7909700
Bearings
Movable Bearingeach3030000
Fixed Bearingeach30201000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.796398334640