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I-90WB TO NB STONY over CONRAIL & AMTRAK

Map

Coordinates:
+41.75150, -87.58556
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 CONRAIL & AMTRAK
Structure number:016647900000000
Old structure number:000016647906318 (from 1992 edition)
Location:0.13 M S 79TH P7C
Purpose:Carries highway overpass over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Tolls:Yes, on toll road [2]
Length of largest span:112.9 ft. [34.4 m]
Total length:333.3 ft. [101.6 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:30.8 ft. [9.4 m]
Vertical clearance below bridge:19.7 ft. [6.0 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: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:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:86.3
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,362,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017FairGoodSatisfactoryFair400086.3
September 2015FairGoodSatisfactoryFair400086.3
September 2013FairGoodSatisfactoryFair400086.3
September 2011FairGoodSatisfactoryFair400986.3
September 2010FairGoodSatisfactoryFair400986.3
October 2008FairGoodSatisfactoryFair400986.3
November 2007FairGoodSatisfactoryFair400986.3
November 2005FairVery GoodSatisfactoryFair400967.1
December 2004FairVery GoodSatisfactoryFair400967.1
October 2003FairVery GoodSatisfactoryFair400967.1
October 2001FairVery GoodSatisfactoryFair400967.1
October 2000FairVery GoodSatisfactoryFair400967.1
October 1999FairVery GoodSatisfactoryFair400967.1
September 1997PoorFairPoorFair400949.7
June 1995PoorFairPoorFair-66.0
July 1994PoorFairPoorFair-66.0
November 1993PoorFairPoorFair-66.0
May 1992PoorFairPoorFair-66.0
October 1990PoorPoorFairFair-80.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.2,0601,93312700
Deck
Reinforced Concrete Decksq. ft.10,42010,420000
Substructure
Steel Columneach65100
Steel Pier Caplinear ft.124903400
Joints
Strip Seal Jointlinear ft.93474600
Bearings
Pot Bearingeach1211100
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.672504148200