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M-102 8 MILE RD over I-75

Map

Coordinates:
+42.44681, -83.09435
42°26'49" N, 83°05'40" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:M-102 8 MILE RD over I-75
Structure number:000000000011850
Old structure number:82182252000S100 (from 1992 edition)
Location:IN DETROIT OVER I-75 SERV
Purpose:Carries highway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:134.8 ft. [41.1 m]
Total length:1068.3 ft. [325.6 m]
Roadway width between curbs:82.0 ft. [25.0 m]
Deck width edge-to-edge:92.5 ft. [28.2 m]
Vertical clearance below bridge:19.7 ft. [6.0 m]
Owner:State Highway Agency [01]
Year built:1969
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:11
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: March 2017

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:68,056 [as of 2007]
Truck traffic:5% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Equal to present minimum criteria [6]
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:68.0
Recommended work:Bridge deck replacement with only incidental widening. [37]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2017PoorPoorSatisfactoryPoor6805668.0
March 2016PoorPoorSatisfactoryPoor6805668.0
March 2015PoorPoorSatisfactoryPoor6805668.0
April 2013FairFairSatisfactorySatisfactory6805697.0
April 2012FairFairGoodFair6805686.0
July 2010FairSatisfactoryGoodFair6805687.0
June 2009FairSatisfactoryGoodFair6805687.0
July 2007FairSatisfactoryGoodSatisfactory7636298.0
July 2005FairSatisfactoryGoodSatisfactory7636298.0
March 2004PoorSatisfactoryGoodPoor6300071.0
December 2002PoorSatisfactoryGoodPoor6300071.0
September 2001PoorSatisfactoryGoodPoor6300071.0
June 2000PoorSatisfactoryGoodPoor6300071.0
September 1998PoorSatisfactoryGoodPoor6300071.0
October 1996FairSatisfactoryGoodFair9620085.0
September 1996FairSatisfactoryGoodFair6300085.0
October 1994FairGoodGoodFair9620085.0
August 1992FairGoodGoodFair9620085.0
July 1990FairGoodVery GoodFair9620085.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.35,10134,28182000
Steel Protective Coatingsq. ft.1,377,4151,361,26913,9932,1530
Deck
Reinforced Concrete Decksq. ft.1,059,394613,844317,815127,7350
Superstructure
Steel Pin or Pin & Hangar Assemblyeach3529600
Substructure
Reinforced Concrete Columneach64154180
Reinforced Concrete Abutmentlinear ft.6135318200
Reinforced Concrete Pier Caplinear ft.2,7231,88349232820
Joints
Strip Seal Jointlinear ft.1,20707974100
Pourable Jointlinear ft.6031443281310
Bearings
Movable Bearingeach80404000
Fixed Bearingeach60332700
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.14,0167,0083,5043,5040
Reinforced Concrete Bridge Raillinear ft.7,0082,6643,5048400