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


+42.34251, -83.04615
42°20'33" N, 83°02'46" 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:13.1 ft. [4.0 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 2018

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]
Sufficiency rating:75.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2018GoodGoodGoodGood1137475.0
March 2016GoodGoodGoodGood1137475.0
March 2014GoodGoodGoodGood1137475.0
March 2012GoodGoodGoodGood1137475.0
March 2010GoodGoodGoodGood1137475.0
May 2008GoodVery GoodVery GoodGood1137475.0
May 2006GoodVery GoodVery GoodGood1416677.0
May 2004GoodVery GoodVery GoodGood5850077.0
May 2002GoodVery GoodVery GoodGood5850077.0
May 2000GoodVery GoodVery GoodGood5850077.0
August 1998PoorPoorFairSatisfactory5850063.0
September 1996PoorPoorGoodSatisfactory3220088.0
August 1994PoorPoorGoodGood3220088.0
August 1992FairSatisfactoryVery GoodGood3220091.0
June 1990FairFairVery GoodGood3220090.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.270265500
Steel Protective Coatingsq. ft.2,0212,0012000
Reinforced Concrete Decksq. ft.1,5411,541000
Reinforced Concrete Abutmentlinear ft.90702000
Pourable Jointlinear ft.90020700
Movable Bearingeach88000
Fixed Bearingeach88000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.68581000