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I-75 N TO M-10 RMP over M-10 TO I-75N RAMP

Map 

Coordinates:
+42.33649, -83.05914
42°20'11" N, 83°03'33" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I-75 N TO M-10 RMP over M-10 TO I-75N RAMP
Structure number:000000000011773
Old structure number:82182195000S160 (from 1992 edition)
Location:IN DETROIT
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:91.9 ft. [28.0 m]
Total length:191.9 ft. [58.5 m]
Roadway width between curbs:24.6 ft. [7.5 m]
Deck width edge-to-edge:27.9 ft. [8.5 m]
Vertical clearance below bridge:14.4 ft. [4.4 m]
Skew angle:63°
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]
Number of main spans:3
Main spans material:Steel [3]
Main spans 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 

Status:Open, no restriction [A]
Average daily traffic:17,500 [as of 1988]
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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:75.9 tons [69.0 metric tons]
Inventory rating:45.7 tons [41.5 metric tons]
Sufficiency rating:99.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201599.0Not deficientGoodGoodGood17500
May 201399.0Not deficientGoodGoodGood17500
May 201199.0Not deficientGoodGoodGood17500
May 200999.0Not deficientGoodGoodGood17500
May 200899.0Not deficientGoodGoodGood17500
May 200699.0Not deficientGoodGoodGood17500
May 200499.0Not deficientGoodGoodGood17500
May 200299.0Not deficientGoodGoodGood17500
May 200099.0Not deficientVery GoodSatisfactoryGood17500
August 199879.0Not deficientFairFairGood17500
August 199696.0Not deficientFairGoodGood17500
August 199494.0Structurally deficientPoorGoodGood15420
August 199297.0Not deficientSatisfactoryVery GoodGood15420
June 199094.0Structurally deficientPoorVery GoodGood15420