I-75 NB over I-75 SB TO EB RAMP


+42.34202, -83.04682
42°20'31" N, 83°02'49" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I-75 NB over I-75 SB TO EB RAMP
Structure number:000000000011805
Old structure number:82182251000S071 (from 1992 edition)
Location:I-75 & I-375 INTCHG
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:33.8 ft. [10.3 m]
Total length:33.8 ft. [10.3 m]
Roadway width between curbs:42.3 ft. [12.9 m]
Deck width edge-to-edge:45.6 ft. [13.9 m]
Vertical clearance below bridge:14.8 ft. [4.5 m]
Skew angle:99°
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+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: March 2014 

Status:Open, no restriction [A]
Average daily traffic:11,374 [as of 2007]
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:Basically intolerable requiring high priority of replacement [2]
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:103.0 tons [93.6 metric tons]
Inventory rating:61.8 tons [56.2 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:75.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
March 201475.0Functionally obsoleteGoodGoodGood11374
March 201275.0Functionally obsoleteGoodGoodGood11374
March 201075.0Functionally obsoleteGoodGoodGood11374
May 200875.0Functionally obsoleteVery GoodVery GoodGood11374
May 200677.0Not deficientVery GoodVery GoodGood14166
May 200477.0Not deficientVery GoodVery GoodGood58500
May 200277.0Not deficientVery GoodVery GoodGood58500
May 200077.0Not deficientVery GoodVery GoodGood58500
August 199863.0Not deficientPoorFairSatisfactory58500
September 199688.0Structurally deficientPoorGoodSatisfactory32200
August 199488.0Structurally deficientPoorGoodGood32200
August 199291.0Not deficientSatisfactoryVery GoodGood32200
June 199090.0Not deficientFairVery GoodGood32200