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I-90 SKYWAY over COTTAGE GROVE AVE

Map 

Coordinates:
+41.76397, -87.60550
41°45'50" N, 87°36'20" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I-90 SKYWAY over COTTAGE GROVE AVE
Structure number:016630300000000
Old structure number:000016630303774 (from 1992 edition)
Location:0.1 M SE 71ST P7C
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Tolls:Yes, on toll road [2]
Length of largest span:121.4 ft. [37.0 m]
Total length:129.9 ft. [39.6 m]
Roadway width between curbs:99.7 ft. [30.4 m]
Deck width edge-to-edge:106.0 ft. [32.3 m]
Skew angle:45°
Owner:City or Municipal Highway Agency [04]
Year built:1958
Year reconstructed:1994
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]

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:Satisfactory [6 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:90.0

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201590.0FairSatisfactorySatisfactorySatisfactory-34000
September 201390.0FairGoodSatisfactorySatisfactory-34000
September 201183.7FairGoodSatisfactorySatisfactoryFO42100
September 201082.2FairGoodSatisfactorySatisfactoryFO47900
September 200882.2FairGoodSatisfactorySatisfactoryFO47900
November 200782.3FairGoodSatisfactorySatisfactoryFO47700
November 200586.8FairGoodSatisfactorySatisfactory-47700
November 200482.3FairSatisfactorySatisfactorySatisfactoryFO47700
November 200382.3FairGoodSatisfactorySatisfactoryFO47700
November 200181.4FairGoodSatisfactoryGoodFO51300
August 200081.4FairGoodSatisfactoryGoodFO51300
October 199982.9FairGoodSatisfactoryGoodFO45100
September 199790.8FairVery GoodSatisfactoryGoodFO12900
August 199593.0FairVery GoodSatisfactoryGood-12900
August 199493.0FairVery GoodSatisfactoryGood-12900
November 199380.5FairFairFairFair-12900
May 199280.5FairFairFairFair-12900
October 199080.5FairFairFairSatisfactory-12900