Share:

POLK ST over UNION ST TRACKS

Map 

Coordinates:
+41.87217, -87.63221
41°52'20" N, 87°37'56" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:POLK ST over UNION ST TRACKS
Structure number:016652300000000
Old structure number:000016652332259 (from 1992 edition)
Location:800S.& 300W.TO 500W
Purpose:Carries highway over railroad
Route classification:Minor Arterial (Urban) [16]
Length of largest span:82.4 ft. [25.1 m]
Total length:473.8 ft. [144.4 m]
Roadway width between curbs:54.1 ft. [16.5 m]
Deck width edge-to-edge:80.1 ft. [24.4 m]
Vertical clearance below bridge:17.1 ft. [5.2 m]
Owner:City or Municipal Highway Agency [04]
Year built:1996
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:12
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: June 2013 

Status:Open, no restriction [A]
Average daily traffic:2,250 [as of 2014]
Truck traffic:19% of total traffic
Deck condition:Very Good [8 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:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:48.5 tons [44.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:84.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
June 201384.0Functionally obsoleteVery GoodVery GoodVery Good2250
June 201184.0Functionally obsoleteVery GoodVery GoodVery Good2950
April 200984.0Functionally obsoleteVery GoodVery GoodVery Good2950
March 200784.0Functionally obsoleteVery GoodVery GoodVery Good2950
January 200584.0Not deficientVery GoodVery GoodVery Good5000
January 200384.0Not deficientVery GoodExcellentVery Good5000
December 200079.0Not deficientVery GoodExcellentVery Good5509
November 199879.0Not deficientVery GoodExcellentVery Good5509
January 199794.0Not deficientVery GoodExcellentExcellent-