I-90 SKYWAY over 73RD ST


+41.76263, -87.60351
41°45'45" N, 87°36'13" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-90 SKYWAY over 73RD ST
Structure number:016640300000000
Old structure number:000016640304336 (from 1992 edition)
Location:1.5 M SE I94 P7C
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Tolls:Yes, on toll road [2]
Length of largest span:145.7 ft. [44.4 m]
Total length:155.2 ft. [47.3 m]
Roadway width between curbs:99.7 ft. [30.4 m]
Deck width edge-to-edge:106.0 ft. [32.3 m]
Skew angle:45°
Owner:City or Municipal Highway Agency [04]
Year built:1958
Year reconstructed:1994
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:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

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:Satisfactory [6 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:85.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017FairSatisfactorySatisfactorySatisfactory3400085.3
August 2015FairSatisfactorySatisfactorySatisfactory3400085.3
September 2013FairGoodSatisfactorySatisfactory3400085.3
September 2011FairGoodSatisfactorySatisfactory4210083.0
September 2010FairGoodSatisfactorySatisfactory4790083.0
September 2008FairGoodSatisfactorySatisfactory4790083.0
November 2007FairGoodSatisfactorySatisfactory4770083.0
November 2005FairGoodSatisfactorySatisfactory4770083.0
November 2004FairSatisfactorySatisfactorySatisfactory4770083.0
November 2003FairGoodSatisfactorySatisfactory4770083.0
October 2001FairGoodSatisfactoryGood5130083.0
August 2000FairGoodSatisfactoryGood5130083.0
October 1999FairGoodSatisfactoryGood4510083.0
September 1997FairVery GoodSatisfactoryGood1290091.0
August 1995FairVery GoodSatisfactoryGood1290091.0
August 1994FairVery GoodSatisfactoryGood1290091.0
November 1993FairFairFairFair1290078.2
May 1992FairFairFairFair1290078.2
October 1990FairFairFairFair1290080.2

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Steel Girder/Beamlinear ft.9329161600
Reinforced Concrete Decksq. ft.16,03015,711301180
Reinforced Concrete Abutmentlinear ft.3002801190
Reinforced Concrete Pier Caplinear ft.30825313420
Strip Seal Jointlinear ft.148727141
Compression Jointlinear ft.153153000
Elastomeric Bearingeach1411300
Fixed Bearingeach147700
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.60640320300