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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:24.9 ft. [7.6 m]
Deck width edge-to-edge:28.2 ft. [8.6 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:State Highway Agency [01]
Year built:1967
Year reconstructed:2018
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:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: December 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:103,925 [as of 2014]
Truck traffic:12% of total traffic
Deck condition:Excellent [9 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:Better than present minimum criteria [7]
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:85.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
December 2018GoodExcellentVery GoodGood10392585.0
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, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.2,4052,405000
Steel Protective Coatingsq. ft.34,79134,791000
Deck
Reinforced Concrete Decksq. ft.15,88815,888000
Superstructure
Steel Pin or Pin & Hangar Assemblyeach4040000
Substructure
Reinforced Concrete Columneach2521400
Reinforced Concrete Abutmentlinear ft.2828000
Reinforced Concrete Pier Caplinear ft.335335000
Joints
Strip Seal Jointlinear ft.155155000
Pourable Jointlinear ft.5656000
Bearings
Movable Bearingeach2828000
Fixed Bearingeach2424000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,2011,201000