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I-90 SKYWAY over 75TH ST & GRNWOOD AV

Map 

Coordinates:
+41.75856, -87.59824
41°45'31" N, 87°35'54" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I-90 SKYWAY over 75TH ST & GRNWOOD AV
Structure number:016644000000000
Old structure number:000016644004113 (from 1992 edition)
Location:2 M SE I94 P7C
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Tolls:Yes, on toll road [2]
Length of largest span:200.1 ft. [61.0 m]
Total length:403.6 ft. [123.0 m]
Roadway width between curbs:88.3 ft. [26.9 m]
Deck width edge-to-edge:94.5 ft. [28.8 m]
Owner:City or Municipal Highway Agency [04]
Year built:1958
Year reconstructed:2002
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Steel continuous [4]
Main spans 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: September 2015 

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:34,000 [as of 2013]
Truck traffic:13% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:98.0 tons [89.1 metric tons]
Inventory rating:63.5 tons [57.7 metric tons]
Sufficiency rating:83.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$5,292,000

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201583.0GoodGoodGoodGood-34000
September 201383.0GoodGoodGoodGood-34000
September 201182.0GoodVery GoodGoodGood-42100
September 201082.0GoodVery GoodGoodGood-47900
September 200882.0GoodVery GoodGoodGood-47900
October 200782.0GoodVery GoodGoodGood-47700
November 200579.0GoodVery GoodGoodGoodFO47700
October 200479.0GoodVery GoodGoodGoodFO47700
October 200377.0FairVery GoodGoodSatisfactoryFO47700
August 200043.9PoorSeriousFairPoorSD51300
September 199958.9PoorSeriousFairFairSD45100
September 199768.3FairFairFairSatisfactoryFO12900
July 199571.6FairSatisfactoryFairSatisfactoryFO12900
August 199471.6FairSatisfactoryFairSatisfactoryFO12900
November 199371.6FairSatisfactoryFairSatisfactoryFO12900
May 199271.6FairSatisfactoryFairSatisfactoryFO12900
October 199084.4FairFairSatisfactorySatisfactoryFO12900