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I-90 SKYWAY EB over 87TH ST

Map

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

Facts

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, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.7697303900
Deck
Reinforced Concrete Decksq. ft.6,4686,4016700
Substructure
Reinforced Concrete Abutmentlinear ft.13010410160
Reinforced Concrete Pier Caplinear ft.14310922120
Joints
Strip Seal Jointlinear ft.65046181
Bearings
Elastomeric Bearingeach70700
Fixed Bearingeach70520
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.2582322600