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I-90WB TO NB STONY over STONY, 79TH & S. CHG

Map

Coordinates:
+41.75147, -87.58558
41°45'05" N, 87°35'08" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-90WB TO NB STONY over STONY, 79TH & S. CHG
Structure number:016647800000000
Old structure number:000016647806308 (from 1992 edition)
Location:AT STONY,79TH&S CHI
Purpose:Carries highway overpass over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Tolls:Yes, on toll road [2]
Length of largest span:185.0 ft. [56.4 m]
Total length:643.7 ft. [196.2 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:30.8 ft. [9.4 m]
Owner:City or Municipal Highway Agency [04]
Year built:1958
Year reconstructed:1998
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:4
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: September 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:4,000 [as of 2000]
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Basically intolerable requiring high priority of replacement [2]
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:82.3
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$2,631,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201582.3FairGoodSatisfactoryFairFO4000
September 201382.3FairGoodSatisfactoryFairFO4000
September 201184.3FairGoodSatisfactoryFairFO4009
September 201084.3FairGoodSatisfactoryFairFO4009
October 200884.3FairGoodSatisfactoryFairFO4009
November 200784.3FairGoodSatisfactoryFairFO4009
November 200565.1FairGoodSatisfactoryFairFO4009
October 200465.1FairGoodSatisfactoryFairFO4009
October 200365.1FairVery GoodSatisfactoryFairFO4009
October 200165.1FairVery GoodSatisfactoryFairFO4009
October 200065.1FairVery GoodSatisfactoryFairFO4009
September 199965.1FairVery GoodSatisfactoryFairFO4009
September 199747.6PoorFairPoorFairSD4009
June 199564.0PoorFairPoorFairSD-
July 199464.0PoorFairPoorFairSD-
November 199364.0PoorFairPoorFairSD-
May 199264.0PoorFairPoorFairSD-
October 199078.0PoorPoorFairSatisfactorySD-