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:Local (Urban) [19]
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 

Good/Fair/Poor Condition:Good
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]
Sufficiency rating:84.0

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
June 201384.0GoodVery GoodVery GoodVery GoodFO2250
June 201184.0GoodVery GoodVery GoodVery GoodFO2950
April 200984.0GoodVery GoodVery GoodVery GoodFO2950
March 200784.0GoodVery GoodVery GoodVery GoodFO2950
January 200584.0GoodVery GoodVery GoodVery Good-5000
January 200384.0GoodVery GoodExcellentVery Good-5000
December 200079.0GoodVery GoodExcellentVery Good-5509
November 199879.0GoodVery GoodExcellentVery Good-5509
January 199794.0GoodVery GoodExcellentExcellent--