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NATOMA AVE over I- 90 JFK & CTA

Map 

Coordinates:
+41.98250, -87.79248
41°58'57" N, 87°47'33" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

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:15.4 ft. [4.7 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: September 2015 

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:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
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]
Operating rating:98.0 tons [89.1 metric tons]
Inventory rating:39.6 tons [36.0 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:79.0
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$1,281,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201579.0Functionally obsoleteSatisfactorySatisfactoryGood5000
December 201379.0Functionally obsoleteSatisfactorySatisfactoryGood5000
December 201179.0Functionally obsoleteSatisfactorySatisfactoryGood5009
January 201079.0Not deficientGoodSatisfactoryGood5009
April 200879.0Not deficientGoodSatisfactoryGood5009
May 200579.0Not deficientVery GoodGoodVery Good5009
October 200279.0Functionally obsoleteExcellentExcellentVery Good5009
May 200165.0Structurally deficientPoorFairFair5009
April 199965.0Structurally deficientPoorFairFair5009
February 199965.0Structurally deficientPoorFairFair5009
October 199765.0Structurally deficientPoorGoodFair5009
September 199677.0Structurally deficientPoorGoodFair-
November 199482.0Structurally deficientPoorGoodFair-
December 199382.0Structurally deficientPoorGoodFair-
December 199293.0Structurally deficientPoorGoodSatisfactory-
December 199193.0Structurally deficientPoorGoodSatisfactory-