M-10 N-W RAMP over I-75 & EXIT RAMPS


+42.33517, -83.06238
42°20'07" N, 83°03'45" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:M-10 N-W RAMP over I-75 & EXIT RAMPS
Structure number:000000000011772
Old structure number:82182195000S150 (from 1992 edition)
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:69.9 ft. [21.3 m]
Total length:401.9 ft. [122.5 m]
Roadway width between curbs:27.6 ft. [8.4 m]
Deck width edge-to-edge:30.8 ft. [9.4 m]
Vertical clearance below bridge:16.4 ft. [5.0 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 / HS 20 [5]
Number of main spans:6
Main spans material:Steel [3]
Main spans 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: May 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:11,370 [as of 1982]
Truck traffic:3% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:100.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2017FairGoodGoodSatisfactory11370100.0
May 2015FairGoodGoodSatisfactory11370100.0
May 2013FairVery GoodGoodSatisfactory11370100.0
May 2011FairVery GoodGoodSatisfactory11370100.0
May 2009FairVery GoodSatisfactorySatisfactory11370100.0
May 2008FairVery GoodSatisfactorySatisfactory11370100.0
May 2006FairVery GoodSatisfactorySatisfactory1137096.0
May 2004FairVery GoodSatisfactorySatisfactory1137096.0
May 2002FairVery GoodSatisfactorySatisfactory1137096.0
May 2000FairVery GoodSatisfactorySatisfactory1137096.0
August 1998PoorSeriousFairPoor1137058.0
August 1996PoorPoorFairPoor1137068.0
August 1994PoorPoorSatisfactoryFair1137084.0
August 1992PoorPoorSatisfactoryFair1137084.0
June 1990PoorPoorSatisfactorySatisfactory1137095.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.2,0101,86015000
Reinforced Concrete Decksq. ft.12,39812,29810000
Reinforced Concrete Columneach108200
Reinforced Concrete Abutmentlinear ft.62521000
Reinforced Concrete Pier Caplinear ft.1551203500
Strip Seal Jointlinear ft.155155000
Pourable Jointlinear ft.6255700
Movable Bearingeach3030000
Fixed Bearingeach3030000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.80440440000