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I-75 S-E RAMP over I-75 SB

Map

Coordinates:
+42.36900, -83.05842
42°22'08" N, 83°03'30" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-75 S-E RAMP over I-75 SB
Structure number:000000000011832
Old structure number:82182251000S305 (from 1992 edition)
Location:IN DETROIT
Purpose:Carries highway overpass (third level) over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:105.0 ft. [32.0 m]
Total length:192.9 ft. [58.8 m]
Roadway width between curbs:26.2 ft. [8.0 m]
Deck width edge-to-edge:29.2 ft. [8.9 m]
Vertical clearance below bridge:26.6 ft. [8.1 m]
Skew angle:55°
Owner:State Highway Agency [01]
Year built:1962
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:2
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: December 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:10,110 [as of 1982]
Truck traffic:3% of total traffic
Deck condition:Satisfactory [6 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:Superior to present desirable criteria [9]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:103.7 tons [94.3 metric tons]
Inventory rating:62.0 tons [56.4 metric tons]
Sufficiency rating:100.0
Recommended work:Bridge deck replacement with only incidental widening. [37]

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 2015100.0FairSatisfactoryGoodGood-10110
December 2013100.0FairSatisfactoryGoodGood-10110
March 2012100.0FairSatisfactoryGoodGood-10110
June 2010100.0FairSatisfactoryGoodGood-10110
January 2009100.0FairSatisfactoryGoodGood-10110
January 2007100.0FairSatisfactoryGoodGood-10110
January 2005100.0FairSatisfactoryGoodGood-10110
January 2003100.0FairSatisfactoryGoodGood-10110
January 2001100.0FairSatisfactoryGoodGood-10110
September 199889.0FairSatisfactoryGoodFair-10110
September 199687.0FairGoodGoodFair-10110
September 199487.0FairSatisfactoryVery GoodFair-10110
July 199271.0PoorGoodVery GoodPoorSD10110
June 199087.0FairGoodVery GoodFair-10110

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.9659254000
Deck
Reinforced Concrete Decksq. ft.5,63305,588450
Substructure
Reinforced Concrete Columneach88000
Reinforced Concrete Abutmentlinear ft.4035500
Reinforced Concrete Pier Caplinear ft.75651000
Joints
Strip Seal Jointlinear ft.7272000
Pourable Jointlinear ft.36260100
Bearings
Movable Bearingeach1010000
Fixed Bearingeach1010000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.38628610000