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

Map

Coordinates:
+42.34414, -83.04222
42°20'39" N, 83°02'32" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:M-3 WB CONN over I-375 & I-75 RAMP
Structure number:000000000011811
Old structure number:82182251000S094 (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:41.3 ft. [12.6 m]
Deck width edge-to-edge:44.9 ft. [13.7 m]
Vertical clearance below bridge:13.1 ft. [4.0 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: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]
Sufficiency rating:87.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2016FairGoodFairSatisfactory2274887.0
March 2014FairGoodFairSatisfactory2274887.0
March 2012FairGoodFairSatisfactory2274887.0
March 2010FairGoodFairSatisfactory2274887.0
May 2008FairGoodSatisfactorySatisfactory2274897.0
May 2006FairGoodSatisfactorySatisfactory1416697.0
June 2004FairVery GoodSatisfactorySatisfactory1436097.0
May 2002FairVery GoodSatisfactorySatisfactory1436097.0
May 2000FairVery GoodSatisfactorySatisfactory1436097.0
August 1998FairFairFairSatisfactory1436077.0
September 1996FairSatisfactoryGoodGood1436097.0
August 1994FairSatisfactoryVery GoodGood1436097.0
August 1992FairSatisfactoryVery GoodSatisfactory1436097.0
June 1990GoodGoodVery GoodGood1436097.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.1,0239744900
Steel Protective Coatingsq. ft.25,39225,13425800
Deck
Reinforced Concrete Decksq. ft.18,30918,309000
Substructure
Reinforced Concrete Abutmentlinear ft.3673283900
Joints
Pourable Jointlinear ft.3672858200
Bearings
Movable Bearingeach88000
Fixed Bearingeach88000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.387387000