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I-75 NB OFF RAMP over RR AND MAINT RD

Map 

Coordinates:
+42.28298, -83.14804
42°16'59" N, 83°08'53" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I-75 NB OFF RAMP over RR AND MAINT RD
Structure number:000000000011717
Old structure number:82182194000B015 (from 1992 edition)
Location:IN DETROIT
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:83.0 ft. [25.3 m]
Total length:533.2 ft. [162.5 m]
Roadway width between curbs:23.0 ft. [7.0 m]
Deck width edge-to-edge:26.2 ft. [8.0 m]
Vertical clearance below bridge:14.4 ft. [4.4 m]
Owner:State Highway Agency [01]
Year built:1967
Year reconstructed:1989
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:12
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: May 2015 

Status:Open, no restriction [A]
Average daily traffic:13,350 [as of 1982]
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Equal to present minimum criteria [6]
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:67.3 tons [61.2 metric tons]
Inventory rating:40.3 tons [36.6 metric tons]
Sufficiency rating:91.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201591.0Not deficientSatisfactoryVery GoodGood13350
May 201391.0Not deficientSatisfactoryVery GoodGood13350
May 201191.0Not deficientSatisfactoryVery GoodGood13350
May 200991.0Not deficientSatisfactoryGoodSatisfactory13350
June 200791.0Not deficientSatisfactoryGoodGood13350
June 200591.0Not deficientSatisfactoryGoodGood13350
June 200391.0Not deficientSatisfactorySatisfactoryGood13350
August 200279.4Not deficientSatisfactoryFairGood13350
August 200079.4Not deficientSatisfactoryFairGood13350
September 199891.0Not deficientSatisfactorySatisfactoryGood13350
August 199691.0Not deficientGoodGoodGood13350
August 199490.7Not deficientGoodGoodGood13350
July 199290.7Not deficientGoodGoodGood13350
November 199090.7Not deficientGoodGoodGood13350