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STONY ISL SB TO E over STONY 79TH,S CHGO

Map

Coordinates:
+41.75025, -87.58568
41°45'01" N, 87°35'08" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:STONY ISL SB TO E over STONY 79TH,S CHGO
Structure number:016647100000000
Old structure number:000016647106007 (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:209.3 ft. [63.8 m]
Total length:569.9 ft. [173.7 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:31.2 ft. [9.5 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:3
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 2017

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]
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:$2,333,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017FairGoodSatisfactoryFair500082.1
September 2015FairGoodSatisfactoryFair500082.1
September 2013FairGoodSatisfactoryFair500082.1
September 2011FairGoodSatisfactoryFair1120083.1
September 2010FairGoodSatisfactoryFair1120083.1
October 2008FairGoodSatisfactoryFair500984.1
November 2007FairGoodSatisfactoryFair500984.1
November 2005FairVery GoodSatisfactoryFair500964.8
October 2004FairVery GoodSatisfactoryFair500964.8
October 2003FairVery GoodSatisfactoryFair500964.8
October 2001FairVery GoodSatisfactoryFair500964.8
October 2000FairVery GoodSatisfactoryFair500964.8
September 1999FairVery GoodSatisfactoryFair500964.8
September 1997PoorFairPoorFair500947.2
June 1995PoorFairPoorFair-64.0
July 1994PoorFairPoorFair-64.0
November 1993PoorFairPoorFair-64.0
May 1992PoorFairPoorFair-64.0
October 1990PoorPoorSatisfactoryFair-78.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.3,4943,4583600
Deck
Reinforced Concrete Decksq. ft.17,58715,8751,71200
Substructure
Steel Columneach66000
Steel Pier Caplinear ft.125953000
Joints
Strip Seal Jointlinear ft.93474600
Bearings
Pot Bearingeach1501500
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,13556856700