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 

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. ratingEvaluationDeckSuper.Sub.ADT
August 201584.8Not deficientVery GoodSatisfactorySatisfactory17000
September 201372.4Not deficientVery GoodSatisfactoryFair17000
September 201170.0Not deficientVery GoodSatisfactoryFair21050
October 201070.0Not deficientVery GoodSatisfactoryFair23950
September 200881.0Not deficientVery GoodSatisfactorySatisfactory23950
November 200781.1Not deficientVery GoodSatisfactorySatisfactory23850
November 200581.1Not deficientSatisfactorySatisfactorySatisfactory23850
November 200469.0Not deficientFairSatisfactoryFair23850
November 200369.0Not deficientFairSatisfactoryFair23850
October 200169.0Not deficientFairFairFair25650
September 200069.0Not deficientFairFairFair25650
October 199969.0Not deficientFairFairFair22550
September 199777.6Not deficientSatisfactorySatisfactoryFair8550
August 199577.5Not deficientSatisfactorySatisfactoryFair8550
August 199477.5Not deficientSatisfactorySatisfactoryFair8550
November 199377.5Not deficientSatisfactorySatisfactoryFair8550
May 199273.5Not deficientFairFairFair8550
October 199075.5Not deficientFairFairFair8550