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DAVISON RAMP(M-8) over I-75

Map

Coordinates:
+42.40854, -83.07957
42°24'31" N, 83°04'46" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:DAVISON RAMP(M-8) over I-75
Structure number:000000000011868
Old structure number:82182252000S330 (from 1992 edition)
Location:IN DETROIT OVER I-75 RAMP
Purpose:Carries highway overpass (third level) over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:135.8 ft. [41.4 m]
Total length:659.2 ft. [200.9 m]
Roadway width between curbs:24.3 ft. [7.4 m]
Deck width edge-to-edge:28.2 ft. [8.6 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+Mod / HS 20+Mod [6]
Number of main spans:6
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: April 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:17,730 [as of 1982]
Truck traffic:3% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Fair [5 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: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:79.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2018FairFairGoodFair1773079.0
May 2016FairFairGoodSatisfactory1773090.0
May 2014FairFairGoodGood1773090.0
May 2012FairFairGoodGood1773090.0
May 2010FairFairGoodGood1773090.0
July 2009FairSatisfactoryGoodGood1773091.0
July 2007FairSatisfactoryGoodGood1773091.0
July 2005FairSatisfactoryGoodGood1773091.0
July 2003PoorPoorSatisfactoryFair1773081.0
September 2001PoorPoorSatisfactoryFair1773081.0
June 2000PoorSeriousSatisfactoryFair1773079.0
September 1998PoorPoorFairFair1773081.0
October 1996FairGoodGoodFair1773084.0
October 1994FairGoodGoodSatisfactory1773095.0
August 1992FairGoodGoodSatisfactory1773095.0
July 1990GoodGoodVery GoodGood1773095.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.2,6362,5508600
Steel Protective Coatingsq. ft.31,00030,80020000
Deck
Reinforced Concrete Decksq. ft.18,60011,1607,44000
Substructure
Reinforced Concrete Columneach97200
Concrete Protective Coatingsq. ft.1,9601,960000
Reinforced Concrete Abutmentlinear ft.5653300
Concrete Protective Coatingsq. ft.450450000
Reinforced Concrete Pier Caplinear ft.141736530
Concrete Protective Coatingsq. ft.1,7001,54016000
Joints
Strip Seal Jointlinear ft.118011800
Pourable Jointlinear ft.5651500
Bearings
Movable Bearingeach2420400
Fixed Bearingeach1212000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,3191,2447500
Concrete Protective Coatingsq. ft.10,54010,34020000