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I-90 SKYWAY over 76TH ST,NI PL & ICRR

Map

Coordinates:
+41.75686, -87.59552
41°45'25" N, 87°35'44" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-90 SKYWAY over 76TH ST,NI PL & ICRR
Structure number:016644200000000
Old structure number:000016644203982 (from 1992 edition)
Location:0.18 M SE 75TH P7C
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Tolls:Yes, on toll road [2]
Length of largest span:290.0 ft. [88.4 m]
Total length:671.6 ft. [204.7 m]
Roadway width between curbs:75.5 ft. [23.0 m]
Deck width edge-to-edge:82.0 ft. [25.0 m]
Owner:City or Municipal Highway Agency [04]
Year built:1958
Year reconstructed:2002
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 continuous [4]
Main spans 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:Good [7 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:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:81.1
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$8,829,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017FairGoodSatisfactoryGood3400081.1
September 2015FairGoodSatisfactoryGood3400083.0
September 2013FairGoodSatisfactorySatisfactory3400083.0
September 2011FairVery GoodSatisfactoryGood4210083.0
September 2010FairVery GoodFairGood4790072.0
September 2008FairVery GoodFairGood4790072.0
November 2007FairVery GoodFairGood4770072.0
November 2005FairVery GoodFairGood4770070.0
October 2004FairVery GoodFairGood4770070.0
October 2003FairVery GoodSatisfactorySatisfactory4770078.8
August 2000PoorPoorFairPoor5130050.2
September 1999PoorPoorFairPoor4510050.2
September 1997FairSatisfactorySatisfactorySatisfactory1290088.1
August 1995FairSatisfactorySatisfactorySatisfactory1290087.0
August 1994FairSatisfactorySatisfactorySatisfactory1290087.0
November 1993FairSatisfactorySatisfactorySatisfactory1290087.0
May 1992FairSatisfactorySatisfactoryFair1290075.2
October 1990FairFairSatisfactoryFair1290076.1

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.4,0303,9904000
Steel Stringerlinear ft.1,7401,7202000
Deck
Reinforced Concrete Decksq. ft.54,79338,35516,43800
Superstructure
Steel Floor Beamlinear ft.1,7491,745400
Substructure
Reinforced Concrete Columneach1616000
Reinforced Concrete Pier Caplinear ft.1801116900
Joints
Assembly with Sealeach8282000
Bearings
Movable Bearingeach22000
Fixed Bearingeach22000
Pot Bearingeach42200
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.2,6811,3411,34000