31ST ST over RR - BNSF & BRC


+41.83671, -87.73918
41°50'12" N, 87°44'21" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:31ST ST over RR - BNSF & BRC
Structure number:016087100000000
Old structure number:000016087104484 (from 1992 edition)
Location:0.3 M E IL 50
Purpose:Carries highway over railroad
Route classification:Minor Arterial (Urban) [16]
Length of largest span:86.0 ft. [26.2 m]
Total length:495.1 ft. [150.9 m]
Roadway width between curbs:31.5 ft. [9.6 m]
Deck width edge-to-edge:47.6 ft. [14.5 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:State Highway Agency [01]
Year built:1957
Year reconstructed:2009
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:7
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: December 2015

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:4,925 [as of 2014]
Truck traffic:18% of total traffic
Deck condition:Very Good [8 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 replacement [2]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:83.2
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$7,089,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
December 2015GoodVery GoodGoodGood492583.2
December 2011GoodVery GoodGoodGood660082.9
December 2009GoodExcellentGoodGood1460074.2
November 2007PoorPoorFairFair1460057.4
December 2005PoorPoorFairFair1570057.1
February 2004FairFairSatisfactorySatisfactory1570070.9
November 2002FairFairSatisfactorySatisfactory1570070.9
March 2001FairFairSatisfactorySatisfactory1640070.8
July 1999FairFairSatisfactorySatisfactory1640070.8
July 1997FairFairSatisfactorySatisfactory2540069.0
October 1996FairFairSatisfactorySatisfactory2540069.0
August 1994FairFairSatisfactorySatisfactory2540070.9
June 1992FairSatisfactoryGoodSatisfactory1260074.5
April 1991FairSatisfactoryGoodSatisfactory1260077.6