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I-90 SKYWAY over AVALON ST

Map

Coordinates:
+41.75543, -87.59352
41°45'20" N, 87°35'37" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-90 SKYWAY over AVALON ST
Structure number:016644300000000
Old structure number:000016644303754 (from 1992 edition)
Location:0.28 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:188.7 ft. [57.5 m]
Total length:378.6 ft. [115.4 m]
Roadway width between curbs:76.1 ft. [23.2 m]
Deck width edge-to-edge:82.4 ft. [25.1 m]
Vertical clearance below bridge:32.8 ft. [10.0 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:2
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: 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:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:70.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$2,259,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017FairGoodSatisfactoryFair3400070.0
September 2015FairGoodSatisfactoryGood3400081.0
September 2013FairGoodSatisfactorySatisfactory3400081.0
September 2011FairVery GoodSatisfactorySatisfactory4210081.0
October 2010FairVery GoodSatisfactorySatisfactory4790081.0
September 2008FairVery GoodSatisfactorySatisfactory4790081.0
November 2007FairVery GoodSatisfactorySatisfactory4770081.0
November 2005FairVery GoodGoodSatisfactory4770079.0
October 2004FairVery GoodGoodSatisfactory4770079.0
October 2003PoorPoorGoodSatisfactory4770073.8
August 2000PoorPoorFairPoor5130049.0
September 1999PoorPoorFairPoor4510049.0
September 1997FairSatisfactoryFairSatisfactory1290075.0
August 1995FairSatisfactoryFairSatisfactory1290072.8
August 1994FairSatisfactoryFairSatisfactory1290072.8
November 1993FairSatisfactoryFairSatisfactory1290072.8
May 1992PoorSatisfactoryFairPoor1290054.8
October 1990PoorFairFairPoor1290055.6

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.2,2712,266500
Deck
Reinforced Concrete Decksq. ft.35,73625,01510,72100
Superstructure
Steel Floor Beamlinear ft.6015713000
Substructure
Reinforced Concrete Columneach88000
Reinforced Concrete Pier Caplinear ft.213209301
Joints
Assembly with Sealeach107107000
Bearings
Elastomeric Bearingeach1601600
Fixed Bearingeach1616000
Pot Bearingeach33000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,5141,21130300