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RANDOLPH ST over S.BR.CHICAGO RIVER

Map 

Coordinates:
+41.88444, -87.63819
41°53'04" N, 87°38'17" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:RANDOLPH ST over S.BR.CHICAGO RIVER
Structure number:016610200000000
Old structure number:000016610218814 (from 1992 edition)
Location:375 W & 150 N
Purpose:Carries highway over waterway
Route classification:Collector (Urban) [17]
Length of largest span:212.9 ft. [64.9 m]
Total length:336.3 ft. [102.5 m]
Roadway width between curbs:47.9 ft. [14.6 m]
Deck width edge-to-edge:76.1 ft. [23.2 m]
Vertical clearance below bridge:21.0 ft. [6.4 m]
Owner:City or Municipal Highway Agency [04]
Year built:1984
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:Fair
Status:Open, no restriction [A]
Average daily traffic:11,100 [as of 2014]
Truck traffic:17% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
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 and functioning [2]
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:76.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$2,771,000

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201676.0FairSatisfactorySatisfactoryGoodFO11100
November 201476.0FairSatisfactorySatisfactoryGoodFO11100
December 201276.0GoodGoodGoodGoodFO14600
December 201076.0GoodGoodGoodVery GoodFO14700
September 200876.0GoodGoodGoodVery GoodFO6300
September 200676.0GoodGoodGoodVery GoodFO6300
September 200476.0GoodGoodGoodVery GoodFO22009
October 200276.0GoodGoodGoodVery GoodFO18300
November 200076.0GoodGoodGoodVery GoodFO18300
August 199876.0GoodGoodGoodVery GoodFO18300
May 199691.0GoodGoodGoodVery GoodFO-
May 199491.0GoodGoodGoodGoodFO-
September 199291.0GoodGoodGoodVery GoodFO-
May 199191.0GoodVery GoodVery GoodVery Good--