I-75N RMP WINCHEST over I-75


+42.44439, -83.09474
42°26'40" N, 83°05'41" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-75N RMP WINCHEST over I-75
Structure number:000000000011861
Old structure number:82182252000S250 (from 1992 edition)
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:82.0 ft. [25.0 m]
Total length:230.0 ft. [70.1 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:34.1 ft. [10.4 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:1967
Year reconstructed:2003
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: March 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:5,740 [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:Basically intolerable requiring high priority of corrrective action [3]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:74.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2018FairGoodGoodSatisfactory574074.9
May 2016FairVery GoodGoodSatisfactory574074.9
May 2014GoodVery GoodGoodGood574074.9
May 2012GoodVery GoodGoodGood574074.9
July 2010GoodVery GoodGoodGood574074.9
February 2010GoodVery GoodGoodGood574074.9
February 2008GoodVery GoodGoodGood574074.9
February 2006GoodExcellentGoodGood574074.9
February 2004Fair-FairSatisfactory574064.7
June 2002PoorFairPoorSatisfactory574047.0
June 2000PoorFairPoorSatisfactory574047.0
September 1998PoorFairPoorSatisfactory574047.0
October 1996PoorSatisfactoryPoorGood574046.0
October 1994PoorSatisfactoryPoorGood574048.0
August 1992PoorSatisfactoryPoorGood574048.0
July 1990PoorGoodPoorGood574048.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.1,3811,381000
Steel Protective Coatingsq. ft.14,28013,99428600
Reinforced Concrete Decksq. ft.10,02110,021000
Steel Pin or Pin & Hangar Assemblyeach1212000
Reinforced Concrete Columneach66000
Reinforced Concrete Abutmentlinear ft.79691000
Reinforced Concrete Pier Caplinear ft.79641500
Strip Seal Jointlinear ft.6806800
Pourable Jointlinear ft.6806305
Movable Bearingeach1211100
Fixed Bearingeach1313000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.45941102424
Reinforced Concrete Bridge Raillinear ft.459455400