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I-90 SKYWAY over GROUND SE AVALON ST

Map

Coordinates:
+41.75467, -87.59245
41°45'17" N, 87°35'33" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-90 SKYWAY over GROUND SE AVALON ST
Structure number:016644400000000
Old structure number:000016644403663 (from 1992 edition)
Location:0.33 M SE 75TH P7C
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Tolls:Yes, on toll road [2]
Length of largest span:96.5 ft. [29.4 m]
Total length:344.2 ft. [104.9 m]
Roadway width between curbs:100.7 ft. [30.7 m]
Deck width edge-to-edge:107.3 ft. [32.7 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:4
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
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:Satisfactory [6 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:Superior to present desirable criteria [9]
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:79.6
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$4,527,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017FairSatisfactoryGoodSatisfactory3400079.6
September 2015FairGoodGoodSatisfactory3400085.3
September 2013FairGoodGoodSatisfactory3400085.3
September 2011FairVery GoodGoodSatisfactory4210085.0
October 2010GoodVery GoodGoodGood4790085.0
September 2008GoodVery GoodGoodGood4790085.0
November 2007GoodVery GoodGoodGood4770085.0
November 2005FairVery GoodGoodSatisfactory4770081.0
October 2004FairVery GoodGoodSatisfactory4770081.0
October 2003FairVery GoodGoodSatisfactory4770081.0
September 2000PoorPoorFairPoor5130050.2
September 1999PoorPoorFairPoor4510050.2
September 1997FairSatisfactoryFairSatisfactory1290076.3
August 1995FairSatisfactoryFairSatisfactory1290076.3
August 1994FairSatisfactoryFairSatisfactory1290076.3
November 1993FairSatisfactoryFairSatisfactory1290076.3
May 1992FairSatisfactoryFairFair1290076.3
October 1990FairSatisfactoryFairFair1290078.3

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.2,0661,96610000
Deck
Reinforced Concrete Decksq. ft.36,713036,71300
Substructure
Reinforced Concrete Columneach3229300
Reinforced Concrete Abutmentlinear ft.214212200
Other Material Abutmentlinear ft.214212200
Reinforced Concrete Pier Caplinear ft.42428912780
Joints
Compression Jointlinear ft.45042315120
Assembly with Sealeach107107000
Bearings
Elastomeric Bearingeach64411940
Fixed Bearingeach1615010
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,49601,49600