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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 

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. ratingEvaluationDeckSuper.Sub.ADT
September 201583.0Not deficientGoodGoodGood34000
September 201383.0Not deficientGoodGoodGood34000
September 201182.0Not deficientVery GoodGoodGood42100
September 201082.0Not deficientVery GoodGoodGood47900
September 200882.0Not deficientVery GoodGoodGood47900
October 200782.0Not deficientVery GoodGoodGood47700
November 200579.0Functionally obsoleteVery GoodGoodGood47700
October 200479.0Functionally obsoleteVery GoodGoodGood47700
October 200377.0Functionally obsoleteVery GoodGoodSatisfactory47700
August 200043.9Structurally deficientSeriousFairPoor51300
September 199958.9Structurally deficientSeriousFairFair45100
September 199768.3Functionally obsoleteFairFairSatisfactory12900
July 199571.6Functionally obsoleteSatisfactoryFairSatisfactory12900
August 199471.6Functionally obsoleteSatisfactoryFairSatisfactory12900
November 199371.6Functionally obsoleteSatisfactoryFairSatisfactory12900
May 199271.6Functionally obsoleteSatisfactoryFairSatisfactory12900
October 199084.4Functionally obsoleteFairSatisfactorySatisfactory12900