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NATOMA AVE over I- 90 JFK & CTA

Map

Coordinates:
+41.98288, -87.79260
41°58'58" N, 87°47'33" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NATOMA AVE over I- 90 JFK & CTA
Structure number:016110600000000
Old structure number:000016110626303 (from 1992 edition)
Location:0.8 M E IL 43
Purpose:Carries highway over highway and railroad
Route classification:Local (Urban) [19]
Length of largest span:87.9 ft. [26.8 m]
Total length:238.2 ft. [72.6 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:46.9 ft. [14.3 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:
Owner:State Highway Agency [01]
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:4
Main spans material:Prestressed concrete continuous [6]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: August 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:5,000 [as of 1997]
Truck traffic:3% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Good [7 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 corrrective action [3]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:68.0
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$1,281,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017FairSatisfactoryFairGood500068.0
September 2015FairSatisfactorySatisfactoryGood500079.0
December 2013FairSatisfactorySatisfactoryGood500079.0
December 2011FairSatisfactorySatisfactoryGood500979.0
January 2010FairGoodSatisfactoryGood500979.0
April 2008FairGoodSatisfactoryGood500979.0
May 2005GoodVery GoodGoodVery Good500979.0
October 2002GoodExcellentExcellentVery Good500979.0
May 2001PoorPoorFairFair500965.0
April 1999PoorPoorFairFair500965.0
February 1999PoorPoorFairFair500965.0
October 1997PoorPoorGoodFair500965.0
September 1996PoorPoorGoodFair-77.0
November 1994PoorPoorGoodFair-82.0
December 1993PoorPoorGoodFair-82.0
December 1992PoorPoorGoodSatisfactory-93.0
December 1991PoorPoorGoodSatisfactory-93.0