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I-90 SKYWAY WB over 87TH ST

Map

Coordinates:
+41.73716, -87.56816
41°44'14" N, 87°34'05" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-90 SKYWAY WB over 87TH ST
Structure number:016640900000000
Old structure number:000016640904371 (from 1992 edition)
Location:0.1 W S CHGO AVE P7C
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Tolls:Yes, on toll road [2]
Length of largest span:135.8 ft. [41.4 m]
Total length:140.1 ft. [42.7 m]
Roadway width between curbs:47.2 ft. [14.4 m]
Deck width edge-to-edge:50.5 ft. [15.4 m]
Skew angle:45°
Owner:City or Municipal Highway Agency [04]
Year built:1958
Year reconstructed:2007
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:Good [7 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 2017FairGoodSatisfactorySatisfactory1700084.8
August 2015FairGoodSatisfactorySatisfactory1700084.8
September 2013FairGoodSatisfactorySatisfactory1700084.8
September 2011FairVery GoodSatisfactorySatisfactory2105082.6
October 2010FairVery GoodSatisfactorySatisfactory2395081.0
September 2008FairVery GoodSatisfactorySatisfactory2395081.0
November 2007FairExcellentSatisfactorySatisfactory2385081.1
November 2005FairSatisfactorySatisfactoryFair2385070.0
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 1992FairFairSatisfactoryFair855075.5
October 1990FairFairSatisfactoryFair855077.5

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.8418023900
Deck
Reinforced Concrete Decksq. ft.7,0466,34170500
Substructure
Reinforced Concrete Abutmentlinear ft.1431039310
Reinforced Concrete Pier Caplinear ft.15534111100
Joints
Strip Seal Jointlinear ft.701323277
Bearings
Elastomeric Bearingeach70700
Fixed Bearingeach70700
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.28114014100