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I- 55 WB STEVENSON over THROOP ST

Map

Coordinates:
+41.84414, -87.65467
41°50'39" N, 87°39'17" 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]
Operating rating:95.2 tons [86.5 metric tons]
Inventory rating:59.2 tons [53.8 metric tons]
Sufficiency rating:98.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 201698.0GoodGoodVery GoodVery Good-65400
January 201598.0GoodGoodVery GoodVery Good-77650
January 201398.0GoodGoodVery GoodVery Good-79550
February 201198.0GoodGoodVery GoodVery Good-84550
March 200998.0GoodGoodVery GoodVery Good-85900
March 200798.0GoodGoodVery GoodVery Good-81600
May 200598.0GoodVery GoodVery GoodVery Good-80300
July 200398.0GoodVery GoodVery GoodVery Good-75200
August 200198.0GoodVery GoodVery GoodVery Good-67400
January 200198.0GoodVery GoodVery GoodVery Good-58700
October 199994.0PoorPoorSatisfactorySatisfactorySD72200
October 199796.0FairFairSatisfactorySatisfactory-69200
March 199697.0FairFairGoodSatisfactory-66900
February 199597.0FairFairGoodSatisfactory-68700
August 199397.0FairFairGoodSatisfactory-62200
October 199298.0FairSatisfactoryGoodSatisfactory-61350
July 199198.0FairSatisfactoryGoodSatisfactory-61350

Element Data

Source: National Bridge Elements dataset, 2016 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.360360000