I-90 SKYWAY over 86TH ST


+41.73876, -87.57041
41°44'20" N, 87°34'13" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I-90 SKYWAY over 86TH ST
Structure number:016640700000000
Old structure number:000016640704328 (from 1992 edition)
Location:0.2 M SE 85TH P7C
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Tolls:Yes, on toll road [2]
Length of largest span:68.9 ft. [21.0 m]
Total length:71.9 ft. [21.9 m]
Roadway width between curbs:99.7 ft. [30.4 m]
Deck width edge-to-edge:106.0 ft. [32.3 m]
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 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:Superior to present desirable criteria [9]
Underclearances appraisal:Equal to present minimum criteria [6]
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:89.2

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201589.2FairVery GoodSatisfactorySatisfactory-17000
September 201389.2FairVery GoodSatisfactorySatisfactory-17000
September 201187.2FairVery GoodSatisfactorySatisfactory-21050
October 201085.7FairVery GoodSatisfactorySatisfactory-23950
September 200885.7FairVery GoodSatisfactorySatisfactory-23950
November 200785.0FairExcellentSatisfactorySatisfactory-47700
November 200540.0PoorFairSeriousFairSD47700
October 200473.0FairFairSatisfactoryFair-47700
November 200373.0FairFairGoodFair-47700
October 200184.0FairFairSatisfactorySatisfactory-51300
September 200084.0FairFairSatisfactorySatisfactory-51300
October 199984.0FairFairSatisfactorySatisfactory-45100
September 199789.2FairSatisfactorySatisfactorySatisfactory-17100
August 199589.0FairSatisfactorySatisfactorySatisfactory-17100
August 199489.0FairSatisfactorySatisfactorySatisfactory-17100
November 199389.0FairSatisfactorySatisfactorySatisfactory-17100
May 199273.3PoorPoorFairFairSD17100
October 199075.3PoorPoorFairFairSD17100