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18TH ST over S BR CHICAGO RIVER

Map

Coordinates:
+41.85772, -87.63565
41°51'28" N, 87°38'08" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:18TH ST over S BR CHICAGO RIVER
Structure number:016601700000000
Old structure number:000016601727332 (from 1992 edition)
Location:301 W 18TH ST
Purpose:Carries highway and railroad over waterway
Route classification:Collector (Urban) [17]
Length of largest span:181.4 ft. [55.3 m]
Total length:241.5 ft. [73.6 m]
Roadway width between curbs:47.9 ft. [14.6 m]
Deck width edge-to-edge:74.2 ft. [22.6 m]
Vertical clearance below bridge:19.7 ft. [6.0 m]
Owner:City or Municipal Highway Agency [04]
Year built:1967
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: August 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:4,750 [as of 2018]
Truck traffic:7% of total traffic
Deck condition:Satisfactory [6 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:Superior to present desirable criteria [9]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
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:80.5
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$2,307,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2018FairSatisfactoryFairFair475080.5
October 2016PoorSatisfactoryPoorFair1380049.0
October 2014PoorPoorPoorFair1380046.0
December 2012PoorPoorSeriousFair1090034.0
December 2010PoorPoorPoorGood1090046.0
October 2008PoorSeriousPoorGood730049.0
October 2006FairFairSatisfactoryGood730075.0
September 2004FairSatisfactorySatisfactoryGood830976.0
September 2002FairSatisfactorySatisfactoryGood830976.0
November 2000FairSatisfactorySatisfactoryGood830076.0
July 1998FairSatisfactorySatisfactoryGood830076.0
May 1996FairSatisfactorySatisfactoryGood830076.0
May 1994FairSatisfactorySatisfactorySatisfactory830078.0
September 1992FairSatisfactorySatisfactorySatisfactory830078.0
May 1992FairSatisfactorySatisfactoryGood830078.0
May 1990FairSatisfactoryGoodGood830078.0