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I- 55 WB STEVENSON over THROOP ST

Map

Coordinates:
+41.84428, -87.65341
41°50'39" N, 87°39'12" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I- 55 WB STEVENSON over THROOP ST
Structure number:016003100000000
Old structure number:000016003103706 (from 1992 edition)
Location:0.7 M SW I94
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:68.9 ft. [21.0 m]
Total length:180.1 ft. [54.9 m]
Roadway width between curbs:68.9 ft. [21.0 m]
Deck width edge-to-edge:72.2 ft. [22.0 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1963
Year reconstructed:2000
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
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: December 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:65,400 [as of 2016]
Truck traffic:9% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:98.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
December 2016GoodGoodVery GoodVery Good6540098.0
January 2015GoodGoodVery GoodVery Good7765098.0
January 2013GoodGoodVery GoodVery Good7955098.0
February 2011GoodGoodVery GoodVery Good8455098.0
March 2009GoodGoodVery GoodVery Good8590098.0
March 2007GoodGoodVery GoodVery Good8160098.0
May 2005GoodVery GoodVery GoodVery Good8030098.0
July 2003GoodVery GoodVery GoodVery Good7520098.0
August 2001GoodVery GoodVery GoodVery Good6740098.0
January 2001GoodVery GoodVery GoodVery Good5870098.0
October 1999PoorPoorSatisfactorySatisfactory7220094.0
October 1997FairFairSatisfactorySatisfactory6920096.0
March 1996FairFairGoodSatisfactory6690097.0
February 1995FairFairGoodSatisfactory6870097.0
August 1993FairFairGoodSatisfactory6220097.0
October 1992FairSatisfactoryGoodSatisfactory6135098.0
July 1991FairSatisfactoryGoodSatisfactory6135098.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.1,7801,780000
Deck
Reinforced Concrete Decksq. ft.13,00011,2701,73000
Substructure
Reinforced Concrete Columneach1414000
Reinforced Concrete Pier Walllinear ft.4040000
Reinforced Concrete Abutmentlinear ft.145145000
Reinforced Concrete Pier Caplinear ft.185185000
Bearings
Elastomeric Bearingeach2020000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.360354600