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N WELLS ST over MAIN BR CHICAGO RIV

Map

Coordinates:
+41.88778, -87.63396
41°53'16" N, 87°38'02" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:N WELLS ST over MAIN BR CHICAGO RIV
Structure number:016605400000000
Old structure number:000016605404144 (from 1992 edition)
Location:400 W & 309 N
Purpose:Carries highway and railroad over waterway
Route classification:Collector (Urban) [17]
Length of largest span:268.1 ft. [81.7 m]
Total length:345.2 ft. [105.2 m]
Roadway width between curbs:38.1 ft. [11.6 m]
Deck width edge-to-edge:71.9 ft. [21.9 m]
Vertical clearance below bridge:16.1 ft. [4.9 m]
Owner:City or Municipal Highway Agency [04]
Year built:1922
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Main span material:Steel [3]
Main span design:Movable - Bascule [16]
Deck type:Open Grating [3]
Wearing surface:Other [9]

Latest Available Inspection: October 2015

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:4,400 [as of 2014]
Truck traffic:10% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Satisfactory [6 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: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: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]
Operating rating:45.2 tons [41.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:65.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,821,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201565.0FairVery GoodSatisfactoryFairFO4400
June 201427.3FairVery GoodGoodFairSD4400
December 201221.0PoorFairSeriousFairSD4900
December 201019.0PoorFairSeriousFairSD4900
December 200817.0PoorPoorSeriousFairSD8500
November 200646.0PoorFairPoorFairSD8500
September 200446.0PoorFairPoorFairSD9400
October 200246.0PoorFairPoorFairSD12109
November 200046.0PoorFairPoorFairSD12109
August 199846.0PoorFairPoorFairSD12109
May 199662.0PoorGoodPoorFairSD-
April 199462.0PoorGoodPoorSatisfactorySD-
September 199245.0PoorSeriousPoorSeriousSD-
July 199149.0PoorFairPoorSeriousSD-