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I-90 SKYWAY over COMMERCIAL AVE

Map

Coordinates:
+41.72495, -87.55110
41°43'30" N, 87°33'04" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-90 SKYWAY over COMMERCIAL AVE
Structure number:016641300000000
Old structure number:000016641303227 (from 1992 edition)
Location:AT COMMERCIAL AVE
Purpose:Carries highway over highway
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]
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: August 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:Good [7 out of 9]
Superstructure condition:Satisfactory [6 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 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:$2,459,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017FairGoodSatisfactorySatisfactory3400084.0
September 2015FairGoodSatisfactorySatisfactory3400084.0
September 2013FairGoodSatisfactorySatisfactory3400084.0
September 2011GoodGoodGoodGood4210081.6
October 2010GoodGoodGoodGood4790081.0
September 2008GoodGoodGoodVery Good4790081.0
September 2007GoodGoodGoodVery Good4770081.0
October 2005GoodExcellentGoodVery Good4770081.0
October 2004GoodExcellentGoodVery Good4770081.0
October 2003PoorPoorFairExcellent4770063.0
October 2001PoorPoorFairPoor5130046.2
August 2000PoorPoorFairPoor5130046.2
September 1999FairFairSatisfactoryFair4510064.2
September 1997FairGoodSatisfactoryVery Good2490081.4
June 1995FairSatisfactoryFairVery Good2510068.4
August 1994FairSatisfactoryFairVery Good2510068.4
October 1993FairSatisfactoryFairVery Good2510068.4
May 1992FairSatisfactoryFairSatisfactory2420068.8
October 1990FairSatisfactoryFairVery Good2420070.8

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.1,1291,124500
Steel Stringerlinear ft.1,1181,118000
Deck
Reinforced Concrete Decksq. ft.15,44515,13630900
Superstructure
Steel Floor Beamlinear ft.1,1971,197000
Substructure
Reinforced Concrete Columneach44000
Reinforced Concrete Pier Caplinear ft.160153700
Joints
Strip Seal Jointlinear ft.82562600
Bearings
Pot Bearingeach66000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.56141914200