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31ST STREET over METRA ELEC & CN

Map

Coordinates:
+41.83854, -87.61082
41°50'19" N, 87°36'39" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:31ST STREET over METRA ELEC & CN
Structure number:016617300000000
Old structure number:000016617327251 (from 1992 edition)
Location:3100 S & 628 E
Purpose:Carries highway over railroad
Route classification:Minor Arterial (Urban) [16]
Length of largest span:71.9 ft. [21.9 m]
Total length:278.2 ft. [84.8 m]
Roadway width between curbs:49.9 ft. [15.2 m]
Deck width edge-to-edge:80.1 ft. [24.4 m]
Vertical clearance below bridge:19.7 ft. [6.0 m]
Skew angle:11°
Owner:City or Municipal Highway Agency [04]
Year built:1921
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Number of main spans:4
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: July 2017

Good/Fair/Poor Condition:Poor
Status:Open, would be posted or closed except for temporary shoring [D]
Average daily traffic:11,200 [as of 2014]
Truck traffic:9% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Serious [3 out of 9]
Substructure condition:Serious [3 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:20.1
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$3,666,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2017PoorPoorSeriousSerious1120020.1
July 2015PoorSatisfactoryFairSerious1120023.1
July 2013PoorSatisfactoryFairSerious1120023.1
July 2011PoorSatisfactoryFairSerious820021.5
May 2009PoorSatisfactoryFairSerious1620021.5
April 2007PoorGoodFairSerious1620021.5
March 2005PoorGoodFairSerious1160021.5
March 2003PoorGoodFairSerious1240933.0
April 2000PoorGoodFairSerious1240033.0
December 1997PoorGoodPoorSerious1240033.0
December 1995PoorGoodPoorSerious1240035.0
December 1994PoorGoodPoorSerious1240035.0
September 1992FairSatisfactorySatisfactoryFair1240072.0
October 1990GoodGoodGoodGood1240083.0