I-90 SKYWAY EB over 87TH ST


+41.73728, -87.56833
41°44'14" N, 87°34'06" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-90 SKYWAY EB over 87TH ST
Structure number:016640800000000
Old structure number:000016640804357 (from 1992 edition)
Location:0.1 M W S CHGO AVE P
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Tolls:Yes, on toll road [2]
Length of largest span:124.7 ft. [38.0 m]
Total length:128.3 ft. [39.1 m]
Roadway width between curbs:47.2 ft. [14.4 m]
Deck width edge-to-edge:50.5 ft. [15.4 m]
Skew angle:39°
Owner:City or Municipal Highway Agency [04]
Year built:1958
Year reconstructed:2006
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]
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:17,000 [as of 2016]
Truck traffic:13% of total traffic
Deck condition:Very Good [8 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: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:84.8

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017FairVery GoodSatisfactorySatisfactory1700084.8
August 2015FairVery GoodSatisfactorySatisfactory1700084.8
September 2013FairVery GoodSatisfactoryFair1700072.4
September 2011FairVery GoodSatisfactoryFair2105070.0
October 2010FairVery GoodSatisfactoryFair2395070.0
September 2008FairVery GoodSatisfactorySatisfactory2395081.0
November 2007FairVery GoodSatisfactorySatisfactory2385081.1
November 2005FairSatisfactorySatisfactorySatisfactory2385081.1
November 2004FairFairSatisfactoryFair2385069.0
November 2003FairFairSatisfactoryFair2385069.0
October 2001FairFairFairFair2565069.0
September 2000FairFairFairFair2565069.0
October 1999FairFairFairFair2255069.0
September 1997FairSatisfactorySatisfactoryFair855077.6
August 1995FairSatisfactorySatisfactoryFair855077.5
August 1994FairSatisfactorySatisfactoryFair855077.5
November 1993FairSatisfactorySatisfactoryFair855077.5
May 1992FairFairFairFair855073.5
October 1990FairFairFairFair855075.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.7697303900
Reinforced Concrete Decksq. ft.6,4686,4016700
Reinforced Concrete Abutmentlinear ft.13010410160
Reinforced Concrete Pier Caplinear ft.14310922120
Strip Seal Jointlinear ft.65046181
Elastomeric Bearingeach70700
Fixed Bearingeach70520
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.2582322600