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:14.4 ft. [4.4 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 2016

Good/Fair/Poor Condition:Good
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]
Sufficiency rating:75.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
March 201675.0GoodGoodGoodGoodFO11374
March 201475.0GoodGoodGoodGoodFO11374
March 201275.0GoodGoodGoodGoodFO11374
March 201075.0GoodGoodGoodGoodFO11374
May 200875.0GoodVery GoodVery GoodGoodFO11374
May 200677.0GoodVery GoodVery GoodGood-14166
May 200477.0GoodVery GoodVery GoodGood-58500
May 200277.0GoodVery GoodVery GoodGood-58500
May 200077.0GoodVery GoodVery GoodGood-58500
August 199863.0PoorPoorFairSatisfactory-58500
September 199688.0PoorPoorGoodSatisfactorySD32200
August 199488.0PoorPoorGoodGoodSD32200
August 199291.0FairSatisfactoryVery GoodGood-32200
June 199090.0FairFairVery GoodGood-32200