I- 55 EB TO I-94 N over THROOP ST


+41.84361, -87.65463
41°50'37" N, 87°39'17" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I- 55 EB TO I-94 N over THROOP ST
Structure number:016269500000000
Old structure number:000016269531578 (from 1992 edition)
Location:0.7 MI. SW I-90,94
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:69.2 ft. [21.1 m]
Total length:180.5 ft. [55.0 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:29.2 ft. [8.9 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1999
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Number of main spans:3
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: July 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:39,900 [as of 2018]
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:81.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2018FairGoodSatisfactoryVery Good3990081.0
August 2016GoodGoodGoodVery Good2050081.0
August 2014GoodGoodGoodVery Good4190081.0
September 2012GoodGoodGoodVery Good4190081.0
December 2010GoodGoodVery GoodVery Good4190077.0
January 2009GoodGoodVery GoodVery Good4190077.0
April 2007GoodGoodVery GoodVery Good4190077.0
July 2005GoodVery GoodVery GoodVery Good4190077.0
July 2003GoodVery GoodVery GoodVery Good4190077.0
August 2001GoodVery GoodVery GoodExcellent3210977.0
November 1999GoodExcellentExcellentExcellent3210981.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.714711300
Reinforced Concrete Decksq. ft.5,2635,07319000
Reinforced Concrete Columneach66000
Reinforced Concrete Pier Walllinear ft.5756100
Reinforced Concrete Abutmentlinear ft.5958100
Reinforced Concrete Pier Caplinear ft.116116000
Elastomeric Bearingeach44000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.361356410