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LAKE SHORE DRIVE over MAIN BR CHICAGO RIV

Map

Coordinates:
+41.88853, -87.61397
41°53'19" N, 87°36'50" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LAKE SHORE DRIVE over MAIN BR CHICAGO RIV
Structure number:016603000000000
Old structure number:000016603027328 (from 1992 edition)
Location:402 N & 520 E
Purpose:Carries highway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:264.1 ft. [80.5 m]
Total length:356.0 ft. [108.5 m]
Roadway width between curbs:80.7 ft. [24.6 m]
Deck width edge-to-edge:107.6 ft. [32.8 m]
Vertical clearance below bridge:23.0 ft. [7.0 m]
Owner:City or Municipal Highway Agency [04]
Year built:1937
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Movable - Bascule [16]
Deck type:Closed Grating [4]
Wearing surface:Other [9]

Latest Available Inspection: October 2016

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:123,500 [as of 2016]
Truck traffic:2% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
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:62.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2016PoorPoorFairSatisfactory12350062.0
October 2014PoorPoorFairSatisfactory12450062.0
November 2012FairFairSatisfactorySatisfactory10870055.0
November 2010FairSatisfactorySatisfactoryGood11610976.0
November 2008FairSatisfactorySatisfactoryGood12620976.0
November 2006FairSatisfactorySatisfactoryGood12440976.0
October 2004FairSatisfactorySatisfactoryGood11280072.0
October 2002FairSatisfactorySatisfactoryGood12200094.0
November 2000FairSatisfactorySatisfactoryGood16360094.0
August 1998FairSatisfactorySatisfactoryGood16360094.0
April 1996FairGoodSatisfactoryGood10770094.0
April 1994GoodGoodGoodGood13140092.0
August 1992GoodGoodGoodGood14580093.0
November 1991GoodVery GoodVery GoodGood12120095.0