I-90 SKYWAY EB over 87TH ST


+41.73719, -87.56861
41°44'14" N, 87°34'07" 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 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:17,000 [as of 2013]
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]
Operating rating:48.8 tons [44.4 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:84.8

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201584.8FairVery GoodSatisfactorySatisfactory-17000
September 201372.4FairVery GoodSatisfactoryFair-17000
September 201170.0FairVery GoodSatisfactoryFair-21050
October 201070.0FairVery GoodSatisfactoryFair-23950
September 200881.0FairVery GoodSatisfactorySatisfactory-23950
November 200781.1FairVery GoodSatisfactorySatisfactory-23850
November 200581.1FairSatisfactorySatisfactorySatisfactory-23850
November 200469.0FairFairSatisfactoryFair-23850
November 200369.0FairFairSatisfactoryFair-23850
October 200169.0FairFairFairFair-25650
September 200069.0FairFairFairFair-25650
October 199969.0FairFairFairFair-22550
September 199777.6FairSatisfactorySatisfactoryFair-8550
August 199577.5FairSatisfactorySatisfactoryFair-8550
August 199477.5FairSatisfactorySatisfactoryFair-8550
November 199377.5FairSatisfactorySatisfactoryFair-8550
May 199273.5FairFairFairFair-8550
October 199075.5FairFairFairFair-8550

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
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.6506500
Elastomeric Bearingeach70700
Fixed Bearingeach70610
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.258258000