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I-90 SKYWAY over CHGO.SHORT LINE RR

Map

Coordinates:
+41.72410, -87.55008
41°43'27" N, 87°33'00" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-90 SKYWAY over CHGO.SHORT LINE RR
Structure number:016641500000000
Old structure number:000016641503284 (from 1992 edition)
Location:0.13 M SE COMM AV
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Tolls:Yes, on toll road [2]
Length of largest span:186.4 ft. [56.8 m]
Total length:188.3 ft. [57.4 m]
Roadway width between curbs:77.4 ft. [23.6 m]
Deck width edge-to-edge:83.0 ft. [25.3 m]
Vertical clearance below bridge:29.5 ft. [9.0 m]
Owner:City or Municipal Highway Agency [04]
Year built:1958
Year reconstructed:2003
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Girder and floorbeam system [03]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:34,000 [as of 2016]
Truck traffic:13% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:84.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$2,049,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017FairSatisfactorySatisfactoryGood3400084.0
September 2015FairSatisfactorySatisfactoryVery Good3400084.0
September 2013FairGoodSatisfactoryVery Good3400084.0
September 2011GoodVery GoodGoodVery Good4210081.6
October 2010GoodVery GoodGoodVery Good4790081.0
September 2008GoodVery GoodGoodVery Good4790081.0
September 2007FairVery GoodSatisfactoryVery Good4770081.0
November 2005FairExcellentSatisfactoryExcellent4770081.0
October 2004FairExcellentSatisfactoryExcellent4770081.0
October 2003PoorPoorFairExcellent4770067.0
October 2001PoorPoorFairPoor5130050.2
September 2000PoorPoorFairPoor5130050.2
October 1999FairFairFairFair4510068.2
September 1997PoorGoodSatisfactorySerious2490036.2
June 1995FairSatisfactoryFairVery Good2510073.0
August 1994FairSatisfactoryFairVery Good2510073.0
October 1993FairSatisfactoryFairVery Good2510073.0
May 1992FairSatisfactoryFairFair2420073.3
October 1990FairSatisfactoryFairFair2420074.2

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.1,1301,130000
Steel Stringerlinear ft.1,1181,118000
Deck
Reinforced Concrete Decksq. ft.15,42815,4131500
Superstructure
Steel Floor Beamlinear ft.1,1971,197000
Substructure
Reinforced Concrete Columneach44000
Reinforced Concrete Pier Caplinear ft.146146000
Joints
Assembly with Sealeach8282000
Bearings
Pot Bearingeach64110
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.56037218800