IL 43 SB (HARLEM) over RR - CN


+41.79801, -87.80167
41°47'53" N, 87°48'06" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:IL 43 SB (HARLEM) over RR - CN
Structure number:016031700000000
Old structure number:000016031704059 (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:73.5 ft. [22.4 m]
Total length:714.3 ft. [217.7 m]
Roadway width between curbs:42.7 ft. [13.0 m]
Deck width edge-to-edge:50.2 ft. [15.3 m]
Vertical clearance below bridge:21.0 ft. [6.4 m]
Skew angle:21°
Owner:State Highway Agency [01]
Year built:1966
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:11
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:Fair
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:Satisfactory [6 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Operating rating:78.4 tons [71.3 metric tons]
Inventory rating:46.6 tons [42.4 metric tons]
Sufficiency rating:66.0

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201566.0FairGoodGoodSatisfactory-44700
November 201366.0FairGoodGoodSatisfactory-45600
November 201170.4FairGoodGoodSatisfactory-21900
May 201070.4FairGoodGoodSatisfactory-21900
September 200870.4FairGoodGoodSatisfactory-21900
September 200669.8FairGoodGoodSatisfactory-23200
February 200570.6FairGoodGoodSatisfactory-21500
March 200370.2FairGoodGoodSatisfactory-22300
November 200172.1GoodGoodGoodGood-18500
March 200069.9GoodGoodGoodGood-22950
July 199769.9GoodGoodGoodGood-22950
July 199470.2GoodGoodGoodGood-18150
October 199369.4GoodGoodGoodGood-19850
May 199268.6GoodVery GoodGoodGood-21500
April 199171.8GoodVery GoodGoodGood-21500