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


+41.84386, -87.65443
41°50'38" N, 87°39'16" 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: August 2014 

Status:Open, no restriction [A]
Average daily traffic:41,900 [as of 2002]
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Better than present minimum criteria [7]
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]
Operating rating:85.6 tons [77.8 metric tons]
Inventory rating:53.1 tons [48.3 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:81.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
August 201481.0Functionally obsoleteGoodGoodVery Good41900
September 201281.0Functionally obsoleteGoodGoodVery Good41900
December 201077.0Functionally obsoleteGoodVery GoodVery Good41900
January 200977.0Functionally obsoleteGoodVery GoodVery Good41900
April 200777.0Not deficientGoodVery GoodVery Good41900
July 200577.0Not deficientVery GoodVery GoodVery Good41900
July 200377.0Not deficientVery GoodVery GoodVery Good41900
August 200177.0Not deficientVery GoodVery GoodExcellent32109
November 199981.0Not deficientExcellentExcellentExcellent32109