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I-75 NB OFF RAMP over RR AND MAINT RD

Map

Coordinates:
+42.29040, -83.13047
42°17'25" N, 83°07'50" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-75 NB OFF RAMP over RR AND MAINT RD
Structure number:000000000011717
Old structure number:82182194000B015 (from 1992 edition)
Location:IN DETROIT
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:83.0 ft. [25.3 m]
Total length:533.2 ft. [162.5 m]
Roadway width between curbs:23.0 ft. [7.0 m]
Deck width edge-to-edge:26.2 ft. [8.0 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:State Highway Agency [01]
Year built:1967
Year reconstructed:1989
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:12
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 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:13,350 [as of 1982]
Deck condition:Satisfactory [6 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:Equal to present minimum criteria [6]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:91.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2017FairSatisfactoryVery GoodGood1335091.0
May 2015FairSatisfactoryVery GoodGood1335091.0
May 2013FairSatisfactoryVery GoodGood1335091.0
May 2011FairSatisfactoryVery GoodGood1335091.0
May 2009FairSatisfactoryGoodSatisfactory1335091.0
June 2007FairSatisfactoryGoodGood1335091.0
June 2005FairSatisfactoryGoodGood1335091.0
June 2003FairSatisfactorySatisfactoryGood1335091.0
August 2002FairSatisfactoryFairGood1335079.4
August 2000FairSatisfactoryFairGood1335079.4
September 1998FairSatisfactorySatisfactoryGood1335091.0
August 1996GoodGoodGoodGood1335091.0
August 1994GoodGoodGoodGood1335090.7
July 1992GoodGoodGoodGood1335090.7
November 1990GoodGoodGoodGood1335090.7

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.7,8907,890000
Steel Protective Coatingsq. ft.374,487374,487000
Deck
Reinforced Concrete Decksq. ft.171,017169,8338073770
Wearing Surfacessq. ft.171,017170,21080700
Superstructure
Steel Pin or Pin & Hangar Assemblyeach4040000
Substructure
Reinforced Concrete Columneach2521400
Reinforced Concrete Abutmentlinear ft.8585000
Reinforced Concrete Pier Caplinear ft.1,0991,099000
Joints
Strip Seal Jointlinear ft.509509000
Pourable Jointlinear ft.174890850
Bearings
Movable Bearingeach2824400
Fixed Bearingeach2424000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.3,9403,8420980