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I-375 N W TURN RD over I-75 & RAMP

Map 

Coordinates:
+42.34449, -83.04424
42°20'40" N, 83°02'39" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I-375 N W TURN RD over I-75 & RAMP
Structure number:000000000011812
Old structure number:82182251000S110 (from 1992 edition)
Location:IN DETROIT
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:118.8 ft. [36.2 m]
Total length:511.2 ft. [155.8 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:30.8 ft. [9.4 m]
Vertical clearance below bridge:16.1 ft. [4.9 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1963
Year reconstructed:1998
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:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: December 2015 

Status:Open, no restriction [A]
Average daily traffic:12,200 [as of 1982]
Truck traffic:3% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Superior to present desirable criteria [9]
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:71.9 tons [65.4 metric tons]
Inventory rating:43.1 tons [39.2 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:72.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
December 201572.0Structurally deficientGoodFairPoor12200
December 201472.0Structurally deficientGoodFairPoor12200
January 201488.0Not deficientGoodFairFair12200
March 201240.0Structurally deficientGoodFairCritical12200
March 201088.0Not deficientVery GoodFairFair12200
May 200899.0Not deficientGoodGoodSatisfactory12200
May 200699.0Not deficientGoodGoodSatisfactory12200
May 200499.0Not deficientGoodGoodSatisfactory12200
May 200298.0Not deficientGoodGoodSatisfactory12200
May 200099.0Not deficientGoodGoodSatisfactory12200
August 199863.0Not deficientFairGoodPoor12200
September 199686.0Not deficientSatisfactoryVery GoodFair12200
September 199483.0Structurally deficientPoorVery GoodFair12200
August 199267.0Structurally deficientSatisfactoryVery GoodPoor12200
June 199091.0Structurally deficientPoorVery GoodSatisfactory12200