IL 43 SB (HARLEM) over RR - CN


+41.79812, -87.80171
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:19.7 ft. [6.0 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: 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:Good [7 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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]
Sufficiency rating:55.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017FairGoodFairFair3890055.0
October 2015FairGoodGoodSatisfactory4470066.0
November 2013FairGoodGoodSatisfactory4560066.0
November 2011FairGoodGoodSatisfactory2190070.4
May 2010FairGoodGoodSatisfactory2190070.4
September 2008FairGoodGoodSatisfactory2190070.4
September 2006FairGoodGoodSatisfactory2320069.8
February 2005FairGoodGoodSatisfactory2150070.6
March 2003FairGoodGoodSatisfactory2230070.2
November 2001GoodGoodGoodGood1850072.1
March 2000GoodGoodGoodGood2295069.9
July 1997GoodGoodGoodGood2295069.9
July 1994GoodGoodGoodGood1815070.2
October 1993GoodGoodGoodGood1985069.4
May 1992GoodVery GoodGoodGood2150068.6
April 1991GoodVery GoodGoodGood2150071.8

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Steel Girder/Beamlinear ft.4,2864,17688220
Reinforced Concrete Decksq. ft.35,89334,0981,79500
Reinforced Concrete Columneach5451210
Reinforced Concrete Pier Walllinear ft.570564330
Reinforced Concrete Abutmentlinear ft.108108000
Reinforced Concrete Pier Caplinear ft.67861720410
Strip Seal Jointlinear ft.2021525000
Assembly without Seal Jointlinear ft.5005000
Elastomeric Bearingeach88642400
Fixed Bearingeach2929000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,4501,38050200