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COLUMBUS DR over MAIN BR CHICAGO RIV.

Map

Coordinates:
+41.88999, -87.62037
41°53'24" N, 87°37'13" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:COLUMBUS DR over MAIN BR CHICAGO RIV.
Structure number:016610100000000
Old structure number:000016610118759 (from 1992 edition)
Location:347 N & 301 E
Purpose:Carries highway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:269.0 ft. [82.0 m]
Total length:389.1 ft. [118.6 m]
Roadway width between curbs:89.9 ft. [27.4 m]
Deck width edge-to-edge:109.9 ft. [33.5 m]
Vertical clearance below bridge:19.7 ft. [6.0 m]
Owner:City or Municipal Highway Agency [04]
Year built:1982
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Movable - Bascule [16]
Deck type:Open Grating [3]
Wearing surface:Other [9]

Latest Available Inspection: October 2016

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:20,600 [as of 2014]
Truck traffic:16% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Pier/abutment protection:In place but in a deteriorated condition [3]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:81.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2016PoorPoorFairFair2060081.0
October 2014PoorPoorFairFair2060081.0
November 2012FairFairFairSatisfactory2540083.0
December 2010FairSatisfactorySatisfactoryGood2540095.0
May 2009GoodGoodGoodGood2370095.0
November 2006GoodGoodGoodGood2370095.0
October 2004GoodGoodGoodGood1000995.0
October 2002GoodGoodGoodGood1000995.0
November 2000GoodGoodGoodGood1000995.0
August 1998GoodGoodGoodGood1000995.0
April 1996GoodGoodGoodGood1000995.0
April 1994GoodGoodGoodGood-95.0
August 1992GoodGoodGoodGood-95.0
May 1991GoodGoodGoodGood-95.0