Share:

I-75 N TO M-10 RMP over M-10 TO I-75N RAMP

Map

Coordinates:
+42.33564, -83.06132
42°20'08" N, 83°03'41" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-75 N TO M-10 RMP over M-10 TO I-75N RAMP
Structure number:000000000011773
Old structure number:82182195000S160 (from 1992 edition)
Location:IN DETROIT
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:91.9 ft. [28.0 m]
Total length:191.9 ft. [58.5 m]
Roadway width between curbs:24.6 ft. [7.5 m]
Deck width edge-to-edge:27.9 ft. [8.5 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:63°
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:3
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:Good
Status:Open, no restriction [A]
Average daily traffic:17,500 [as of 1988]
Truck traffic:3% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:99.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2017GoodGoodGoodGood1750099.0
May 2015GoodGoodGoodGood1750099.0
May 2013GoodGoodGoodGood1750099.0
May 2011GoodGoodGoodGood1750099.0
May 2009GoodGoodGoodGood1750099.0
May 2008GoodGoodGoodGood1750099.0
May 2006GoodGoodGoodGood1750099.0
May 2004GoodGoodGoodGood1750099.0
May 2002GoodGoodGoodGood1750099.0
May 2000FairVery GoodSatisfactoryGood1750099.0
August 1998FairFairFairGood1750079.0
August 1996FairFairGoodGood1750096.0
August 1994PoorPoorGoodGood1542094.0
August 1992FairSatisfactoryVery GoodGood1542097.0
June 1990PoorPoorVery GoodGood1542094.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Stringerlinear ft.3,7793,54323600
Deck
Reinforced Concrete Decksq. ft.57,60856,5321,07600
Superstructure
Steel Pin or Pin & Hangar Assemblyeach1212000
Substructure
Reinforced Concrete Columneach88000
Reinforced Concrete Abutmentlinear ft.3943286600
Reinforced Concrete Pier Caplinear ft.393390300
Joints
Strip Seal Jointlinear ft.394394000
Pourable Jointlinear ft.394387700
Bearings
Movable Bearingeach1212000
Fixed Bearingeach1212000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,26085041000