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M-3 EB CONN over I-375 & I-75 RAMP

Map

Coordinates:
+42.34391, -83.04223
42°20'38" N, 83°02'32" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:M-3 EB CONN over I-375 & I-75 RAMP
Structure number:000000000011810
Old structure number:82182251000S093 (from 1992 edition)
Location:IN DETROIT OVER I-375 NW
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:38.7 ft. [11.8 m]
Total length:38.7 ft. [11.8 m]
Roadway width between curbs:53.2 ft. [16.2 m]
Deck width edge-to-edge:56.8 ft. [17.3 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1964
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:Fair
Status:Open, no restriction [A]
Average daily traffic:22,748 [as of 2007]
Deck condition:Good [7 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:89.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2016FairGoodFairSatisfactory2274889.0
March 2014FairGoodFairSatisfactory2274889.0
March 2012FairGoodFairSatisfactory2274889.0
March 2010FairGoodFairSatisfactory2274889.0
May 2008FairVery GoodSatisfactorySatisfactory22748100.0
May 2006FairVery GoodSatisfactorySatisfactory1416698.0
May 2004FairVery GoodSatisfactorySatisfactory1436098.0
May 2002FairVery GoodSatisfactorySatisfactory1436098.0
May 2000FairVery GoodSatisfactorySatisfactory1436098.0
August 1998FairFairFairSatisfactory1436083.0
September 1996FairSatisfactoryGoodSatisfactory1436097.0
August 1994FairSatisfactoryVery GoodSatisfactory1436098.0
August 1992FairSatisfactoryVery GoodSatisfactory1436098.0
June 1990GoodGoodVery GoodGood1436098.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.1,4111,32966160
Steel Protective Coatingsq. ft.34,90734,56334400
Deck
Reinforced Concrete Decksq. ft.23,98221,6142,36800
Substructure
Reinforced Concrete Abutmentlinear ft.3683026600
Joints
Pourable Jointlinear ft.368148184360
Bearings
Movable Bearingeach1111000
Fixed Bearingeach1111000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.253253000