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I-90 SKYWAY EB over 87TH ST

Map

Coordinates:
+41.73719, -87.56861
41°44'14" N, 87°34'07" 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 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
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.6506500
Bearings
Elastomeric Bearingeach70700
Fixed Bearingeach70610
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.258258000