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AINSLIE ST over I- 90 JFK & CTA

Map 

Coordinates:
+41.96960, -87.75848
41°58'11" N, 87°45'31" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:AINSLIE ST over I- 90 JFK & CTA
Structure number:016110500000000
Old structure number:000016110526302 (from 1992 edition)
Location:0.7 M NW IL 50
Purpose:Carries highway over highway and railroad
Route classification:Local (Urban) [19]
Length of largest span:104.0 ft. [31.7 m]
Total length:302.2 ft. [92.1 m]
Roadway width between curbs:36.1 ft. [11.0 m]
Deck width edge-to-edge:53.2 ft. [16.2 m]
Vertical clearance below bridge:14.8 ft. [4.5 m]
Skew angle:28°
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:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: May 2015 

Status:Open, no restriction [A]
Average daily traffic:5,000 [as of 1997]
Truck traffic:3% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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]
Operating rating:84.8 tons [77.1 metric tons]
Inventory rating:50.9 tons [46.3 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:93.0
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$1,185,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201593.0Functionally obsoleteGoodVery GoodGood5000
May 201393.0Functionally obsoleteGoodVery GoodGood5000
June 201194.0Functionally obsoleteGoodVery GoodGood5009
August 200994.0Not deficientGoodVery GoodGood5009
August 200790.9Not deficientGoodVery GoodGood5009
September 200590.9Not deficientGoodVery GoodGood5009
September 200490.9Not deficientVery GoodVery GoodGood5009
July 200390.9Not deficientVery GoodExcellentGood5009
July 200293.9Not deficientVery GoodExcellentGood5009
May 200179.9Structurally deficientPoorSatisfactoryFair5009
April 199979.9Structurally deficientPoorSatisfactoryFair5009
October 199779.9Structurally deficientPoorGoodFair5009
September 199690.9Structurally deficientPoorGoodSatisfactory-
November 199490.9Structurally deficientPoorGoodSatisfactory-
December 199394.0Structurally deficientPoorGoodSatisfactory-
December 199294.0Structurally deficientPoorGoodGood-
December 199194.0Structurally deficientPoorGoodGood-