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I-75 SB ENT RMP over I-75 NB ENT RAMP

Map 

Coordinates:
+42.33583, -83.06260
42°20'09" N, 83°03'45" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I-75 SB ENT RMP over I-75 NB ENT RAMP
Structure number:000000000011774
Old structure number:82182195000S170 (from 1992 edition)
Location:IN DETROIT OVER LODGE
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:90.9 ft. [27.7 m]
Total length:90.9 ft. [27.7 m]
Roadway width between curbs:25.3 ft. [7.7 m]
Deck width edge-to-edge:28.5 ft. [8.7 m]
Vertical clearance below bridge:14.1 ft. [4.3 m]
Skew angle:67°
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]
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: May 2015 

Status:Open, no restriction [A]
Average daily traffic:8,093 [as of 2010]
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:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Inventory rating:93.6 tons [85.1 metric tons]
Sufficiency rating:98.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201598.0Not deficientGoodGoodGood8093
May 201398.0Not deficientGoodGoodGood8093
May 201198.0Not deficientGoodGoodGood4400
May 200998.0Not deficientGoodSatisfactorySatisfactory4400
May 200898.0Not deficientGoodSatisfactorySatisfactory4400
May 200699.0Not deficientGoodSatisfactorySatisfactory4400
May 200499.0Not deficientGoodSatisfactorySatisfactory4400
May 200299.0Not deficientVery GoodSatisfactorySatisfactory4400
May 200099.0Not deficientVery GoodSatisfactorySatisfactory4400
August 199877.0Not deficientPoorFairFair4400
August 199694.0Structurally deficientPoorGoodSatisfactory4400
August 199494.0Structurally deficientPoorGoodSatisfactory4400
August 199294.0Structurally deficientPoorGoodSatisfactory4400
June 199094.0Structurally deficientPoorGoodGood4400