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

Map 

Coordinates:
+42.36696, -83.05747
42°22'01" N, 83°03'27" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

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:14.8 ft. [4.5 m]
Skew angle:65°
Owner:State Highway Agency [01]
Year built:1964
Year reconstructed:2007
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:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: December 2015 

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]
Operating rating:76.7 tons [69.7 metric tons]
Inventory rating:46.0 tons [41.8 metric tons]
Sufficiency rating:87.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
December 201587.0Not deficientPoorGoodGood10110
December 201387.0Not deficientPoorGoodGood10110
March 201287.0Not deficientPoorGoodGood10110
June 201087.0Not deficientPoorGoodGood10110
August 200887.0Not deficientPoorGoodGood10110
July 200693.0Structurally deficientPoorSatisfactorySatisfactory10110
July 200493.0Structurally deficientPoorSatisfactorySatisfactory10110
July 200293.0Structurally deficientPoorSatisfactorySatisfactory10110
May 200093.0Structurally deficientPoorSatisfactorySatisfactory10110
September 199887.0Functionally obsoleteFairSatisfactorySatisfactory10110
September 199693.0Functionally obsoleteFairVery GoodSatisfactory10110
September 199493.0Functionally obsoleteFairVery GoodGood10110
July 199294.0Functionally obsoleteSatisfactoryVery GoodGood10110
June 199094.0Functionally obsoleteSatisfactoryVery GoodGood10110