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POLK STREET over UNION STATION TRACKS

Map

Coordinates:
+41.87202, -87.63918
41°52'19" N, 87°38'21" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:POLK STREET over UNION STATION 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:16.4 ft. [5.0 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 2017

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:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
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]
Sufficiency rating:84.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2017GoodGoodGoodGood225084.0
June 2013GoodVery GoodVery GoodVery Good225084.0
June 2011GoodVery GoodVery GoodVery Good295084.0
April 2009GoodVery GoodVery GoodVery Good295084.0
March 2007GoodVery GoodVery GoodVery Good295084.0
January 2005GoodVery GoodVery GoodVery Good500084.0
January 2003GoodVery GoodExcellentVery Good500084.0
December 2000GoodVery GoodExcellentVery Good550979.0
November 1998GoodVery GoodExcellentVery Good550979.0
January 1997GoodVery GoodExcellentExcellent-94.0