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LAKE SHORE DRIVE over MAIN BR CHICAGO RIV

Map

Coordinates:
+41.88865, -87.61396
41°53'19" N, 87°36'50" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

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:24.9 ft. [7.6 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]
Operating rating:48.8 tons [44.4 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:62.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201662.0PoorPoorFairSatisfactorySD123500
October 201462.0PoorPoorFairSatisfactorySD124500
November 201255.0FairFairSatisfactorySatisfactoryFO108700
November 201076.0FairSatisfactorySatisfactoryGoodFO116109
November 200876.0FairSatisfactorySatisfactoryGoodFO126209
November 200676.0FairSatisfactorySatisfactoryGoodFO124409
October 200472.0FairSatisfactorySatisfactoryGoodFO112800
October 200294.0FairSatisfactorySatisfactoryGood-122000
November 200094.0FairSatisfactorySatisfactoryGood-163600
August 199894.0FairSatisfactorySatisfactoryGood-163600
April 199694.0FairGoodSatisfactoryGood-107700
April 199492.0GoodGoodGoodGood-131400
August 199293.0GoodGoodGoodGood-145800
November 199195.0GoodVery GoodVery GoodGood-121200