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

Map

Coordinates:
+42.33583, -83.06260
42°20'09" N, 83°03'45" 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:14.1 ft. [4.3 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 2015

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]
Inventory rating:93.6 tons [85.1 metric tons]
Sufficiency rating:98.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201598.0GoodGoodGoodGood-8093
May 201398.0GoodGoodGoodGood-8093
May 201198.0GoodGoodGoodGood-4400
May 200998.0FairGoodSatisfactorySatisfactory-4400
May 200898.0FairGoodSatisfactorySatisfactory-4400
May 200699.0FairGoodSatisfactorySatisfactory-4400
May 200499.0FairGoodSatisfactorySatisfactory-4400
May 200299.0FairVery GoodSatisfactorySatisfactory-4400
May 200099.0FairVery GoodSatisfactorySatisfactory-4400
August 199877.0PoorPoorFairFair-4400
August 199694.0PoorPoorGoodSatisfactorySD4400
August 199494.0PoorPoorGoodSatisfactorySD4400
August 199294.0PoorPoorGoodSatisfactorySD4400
June 199094.0PoorPoorGoodGoodSD4400

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.5465281800
Deck
Reinforced Concrete Decksq. ft.2,5942,594000
Substructure
Reinforced Concrete Abutmentlinear ft.1461262000
Joints
Strip Seal Jointlinear ft.7373000
Pourable Jointlinear ft.7373000
Bearings
Movable Bearingeach66000
Fixed Bearingeach66000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1821374500