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 

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. ratingEvaluationDeckSuper.Sub.ADT
August 201589.2Not deficientVery GoodSatisfactorySatisfactory17000
September 201389.2Not deficientVery GoodSatisfactorySatisfactory17000
September 201187.2Not deficientVery GoodSatisfactorySatisfactory21050
October 201085.7Not deficientVery GoodSatisfactorySatisfactory23950
September 200885.7Not deficientVery GoodSatisfactorySatisfactory23950
November 200785.0Not deficientExcellentSatisfactorySatisfactory47700
November 200540.0Structurally deficientFairSeriousFair47700
October 200473.0Not deficientFairSatisfactoryFair47700
November 200373.0Not deficientFairGoodFair47700
October 200184.0Not deficientFairSatisfactorySatisfactory51300
September 200084.0Not deficientFairSatisfactorySatisfactory51300
October 199984.0Not deficientFairSatisfactorySatisfactory45100
September 199789.2Not deficientSatisfactorySatisfactorySatisfactory17100
August 199589.0Not deficientSatisfactorySatisfactorySatisfactory17100
August 199489.0Not deficientSatisfactorySatisfactorySatisfactory17100
November 199389.0Not deficientSatisfactorySatisfactorySatisfactory17100
May 199273.3Structurally deficientPoorFairFair17100
October 199075.3Structurally deficientPoorFairFair17100