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I-75 SB EXIT RAMP over I-75 E&W TO SB TURN RDWY

Map

Coordinates:
+42.36340, -83.05627
42°21'48" N, 83°03'23" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-75 SB EXIT RAMP over I-75 E&W TO SB TURN RDWY
Structure number:000000000011819
Old structure number:82182251000S180 (from 1992 edition)
Location:IN DETROIT
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:110.9 ft. [33.8 m]
Total length:110.9 ft. [33.8 m]
Roadway width between curbs:21.7 ft. [6.6 m]
Deck width edge-to-edge:26.9 ft. [8.2 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:65°
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]
Main span material:Steel [3]
Main span 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: December 2017

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:10,110 [as of 1982]
Truck traffic:3% of total traffic
Deck condition:Poor [4 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:87.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
December 2017PoorPoorGoodGood1011087.0
December 2015PoorPoorGoodGood1011087.0
December 2013PoorPoorGoodGood1011087.0
March 2012PoorPoorGoodGood1011087.0
June 2010PoorPoorGoodGood1011087.0
August 2008PoorPoorGoodGood1011087.0
July 2006PoorPoorSatisfactorySatisfactory1011093.0
July 2004PoorPoorSatisfactorySatisfactory1011093.0
July 2002PoorPoorSatisfactorySatisfactory1011093.0
May 2000PoorPoorSatisfactorySatisfactory1011093.0
September 1998FairFairSatisfactorySatisfactory1011087.0
September 1996FairFairVery GoodSatisfactory1011093.0
September 1994FairFairVery GoodGood1011093.0
July 1992FairSatisfactoryVery GoodGood1011094.0
June 1990FairSatisfactoryVery GoodGood1011094.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.1,8211,821000
Deck
Reinforced Concrete Decksq. ft.32,109032,10900
Substructure
Reinforced Concrete Abutmentlinear ft.1971772000
Joints
Strip Seal Jointlinear ft.9898000
Bearings
Movable Bearingeach55000
Fixed Bearingeach55000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.728728000