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I-75 SB ENT RMP over I-75 NB ENT RAMP

Map

Coordinates:
+42.33626, -83.06165
42°20'11" N, 83°03'42" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-75 SB ENT RMP over I-75 NB ENT RAMP
Structure number:000000000011774
Old structure number:82182195000S170 (from 1992 edition)
Location:IN DETROIT OVER LODGE
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:90.9 ft. [27.7 m]
Total length:90.9 ft. [27.7 m]
Roadway width between curbs:25.3 ft. [7.7 m]
Deck width edge-to-edge:28.5 ft. [8.7 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:67°
Owner:State Highway Agency [01]
Year built:1970
Year reconstructed:1998
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span 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: May 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:8,093 [as of 2010]
Truck traffic:3% 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:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:98.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2017GoodGoodGoodGood809398.0
May 2015GoodGoodGoodGood809398.0
May 2013GoodGoodGoodGood809398.0
May 2011GoodGoodGoodGood440098.0
May 2009FairGoodSatisfactorySatisfactory440098.0
May 2008FairGoodSatisfactorySatisfactory440098.0
May 2006FairGoodSatisfactorySatisfactory440099.0
May 2004FairGoodSatisfactorySatisfactory440099.0
May 2002FairVery GoodSatisfactorySatisfactory440099.0
May 2000FairVery GoodSatisfactorySatisfactory440099.0
August 1998PoorPoorFairFair440077.0
August 1996PoorPoorGoodSatisfactory440094.0
August 1994PoorPoorGoodSatisfactory440094.0
August 1992PoorPoorGoodSatisfactory440094.0
June 1990PoorPoorGoodGood440094.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.1,7911,7325900
Deck
Reinforced Concrete Decksq. ft.27,92227,922000
Substructure
Reinforced Concrete Abutmentlinear ft.4793849500
Joints
Strip Seal Jointlinear ft.240240000
Pourable Jointlinear ft.240240000
Bearings
Movable Bearingeach66000
Fixed Bearingeach66000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.59744914800