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STONY ISL SB TO E over I-90,STONY IS & RR

Map

Coordinates:
+41.74928, -87.58525
41°44'57" N, 87°35'07" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:STONY ISL SB TO E over I-90,STONY IS & RR
Structure number:016647200000000
Old structure number:000016647206043 (from 1992 edition)
Location:0.14 M S 79TH P7C
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:196.9 ft. [60.0 m]
Total length:670.0 ft. [204.2 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:31.2 ft. [9.5 m]
Vertical clearance below bridge:14.8 ft. [4.5 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:5,000 [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:82.1
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$2,742,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201582.1FairGoodSatisfactoryFairFO5000
September 201382.1FairGoodSatisfactoryFairFO5000
September 201183.1FairGoodSatisfactoryFairFO11200
September 201083.1FairGoodSatisfactoryFairFO11200
October 200884.1FairGoodSatisfactoryFairFO5009
November 200784.1FairGoodSatisfactoryFairFO5009
November 200564.8FairVery GoodSatisfactoryFairFO5009
December 200464.8FairVery GoodSatisfactoryFairFO5009
October 200364.8FairVery GoodSatisfactoryFairFO5009
October 200164.8FairVery GoodSatisfactoryFairFO5009
October 200064.8FairVery GoodSatisfactoryFairFO5009
October 199964.8FairVery GoodSatisfactoryFairFO5009
September 199747.2PoorFairPoorFairSD5009
June 199562.0PoorFairPoorFairSD-
July 199462.0PoorFairPoorFairSD-
November 199362.0PoorFairPoorFairSD-
May 199262.0PoorFairPoorFairSD-
October 199078.0PoorPoorFairFairSD-