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IL 43 NB (HARLEM) over RR - CN

Map

Coordinates:
+41.79790, -87.80202
41°47'52" N, 87°48'07" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:IL 43 NB (HARLEM) over RR - CN
Structure number:016031800000000
Old structure number:000016031804060 (from 1992 edition)
Location:0.1 M S I-55
Purpose:Carries highway over railroad
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:74.2 ft. [22.6 m]
Total length:217.9 ft. [66.4 m]
Roadway width between curbs:48.6 ft. [14.8 m]
Deck width edge-to-edge:55.4 ft. [16.9 m]
Vertical clearance below bridge:21.0 ft. [6.4 m]
Owner:State Highway Agency [01]
Year built:1931
Year reconstructed:1990
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: October 2015

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:44,700 [as of 2015]
Truck traffic:17% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:96.9 tons [88.1 metric tons]
Inventory rating:58.4 tons [53.1 metric tons]
Sufficiency rating:65.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$2,786,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201565.0GoodGoodGoodGoodFO44700
November 201365.0GoodGoodGoodGoodFO45600
November 201168.1FairGoodSatisfactoryGoodFO21900
January 201068.1FairGoodSatisfactoryGoodFO21900
January 200867.2FairGoodSatisfactoryGoodFO23750
January 200667.4FairGoodSatisfactoryGoodFO23200
April 200468.3GoodGoodGoodGoodFO21500
November 200169.8GoodGoodGoodGoodFO18500
March 200067.6GoodGoodGoodGoodFO22950
July 199767.6GoodGoodVery GoodGoodFO22950
July 199468.0GoodGoodVery GoodGood-18150
October 199367.1GoodGoodVery GoodGood-19850
May 199266.3GoodVery GoodVery GoodVery Good-21500
April 199164.8PoorPoorVery GoodVery Good-21500