I-90 SKYWAY over 85TH ST


+41.74072, -87.57337
41°44'27" N, 87°34'24" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I-90 SKYWAY over 85TH ST
Structure number:016630700000000
Old structure number:000016630703782 (from 1992 edition)
Location:0.09 SW CHGO AVE P7C
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Tolls:Yes, on toll road [2]
Length of largest span:95.5 ft. [29.1 m]
Total length:99.7 ft. [30.4 m]
Roadway width between curbs:99.1 ft. [30.2 m]
Deck width edge-to-edge:106.0 ft. [32.3 m]
Skew angle:43°
Owner:City or Municipal Highway Agency [04]
Year built:1958
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:34,000 [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: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:83.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201583.0FairVery GoodSatisfactorySatisfactory-34000
September 201383.0FairVery GoodSatisfactorySatisfactory-34000
September 201183.0FairVery GoodSatisfactorySatisfactory-42100
October 201083.0FairVery GoodSatisfactorySatisfactory-47900
September 200883.0FairVery GoodSatisfactorySatisfactory-47900
November 200783.0FairExcellentSatisfactorySatisfactory-47700
November 200572.0FairSatisfactorySatisfactoryFair-47700
October 200472.0FairSatisfactorySatisfactoryFair-47700
November 200372.0FairSatisfactoryGoodFair-47700
October 200172.0FairSatisfactorySatisfactoryFair-51300
September 200072.0FairSatisfactorySatisfactoryFair-51300
October 199972.0FairSatisfactorySatisfactoryFair-45100
September 199774.6FairSatisfactorySatisfactoryFair-17100
August 199574.4FairSatisfactorySatisfactoryFair-17100
August 199474.4FairSatisfactorySatisfactoryFair-17100
November 199374.4FairSatisfactorySatisfactoryFair-17100
May 199273.3FairFairFairFair-17100
October 199073.3FairFairFairFair-17100