IL 43 NB (HARLEM) over RR - CN


+41.79826, -87.80170
41°47'54" N, 87°48'06" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
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:19.7 ft. [6.0 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: September 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:38,900 [as of 2017]
Truck traffic:16% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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]
Sufficiency rating:54.0
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

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017FairSatisfactoryFairSatisfactory3890054.0
October 2015GoodGoodGoodGood4470065.0
November 2013GoodGoodGoodGood4560065.0
November 2011FairGoodSatisfactoryGood2190068.1
January 2010FairGoodSatisfactoryGood2190068.1
January 2008FairGoodSatisfactoryGood2375067.2
January 2006FairGoodSatisfactoryGood2320067.4
April 2004GoodGoodGoodGood2150068.3
November 2001GoodGoodGoodGood1850069.8
March 2000GoodGoodGoodGood2295067.6
July 1997GoodGoodVery GoodGood2295067.6
July 1994GoodGoodVery GoodGood1815068.0
October 1993GoodGoodVery GoodGood1985067.1
May 1992GoodVery GoodVery GoodVery Good2150066.3
April 1991PoorPoorVery GoodVery Good2150064.8

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.1,3081,2861840
Reinforced Concrete Decksq. ft.12,39911,89950000
Reinforced Concrete Columneach1717000
Reinforced Concrete Pier Walllinear ft.189185310
Reinforced Concrete Abutmentlinear ft.111107220
Reinforced Concrete Pier Caplinear ft.300294600
Strip Seal Jointlinear ft.128128000
Elastomeric Bearingeach36211500
Fixed Bearingeach99000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.4363865000