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WILSON AVE over N BR CHICAGO RIV

Map

Coordinates:
+41.96478, -87.69732
41°57'53" N, 87°41'50" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:WILSON AVE over N BR CHICAGO RIV
Structure number:016609300000000
Old structure number:000016609327314 (from 1992 edition)
Location:4600 N & 2800 W
Purpose:Carries highway over waterway
Route classification:Local (Urban) [19]
Length of largest span:99.4 ft. [30.3 m]
Total length:210.0 ft. [64.0 m]
Roadway width between curbs:25.3 ft. [7.7 m]
Deck width edge-to-edge:36.4 ft. [11.1 m]
Vertical clearance below bridge:16.1 ft. [4.9 m]
Skew angle:36°
Owner:City or Municipal Highway Agency [04]
Year built:1913
Year reconstructed:1993
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Steel continuous [4]
Main spans design:Girder and floorbeam system [03]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Other [9]

Latest Available Inspection: June 2015

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:1,000 [as of 1998]
Deck condition:Satisfactory [6 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:Meets minimum tolerable limits to be left in place as is [4]
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]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:63.0 tons [57.3 metric tons]
Inventory rating:37.7 tons [34.3 metric tons]
Sufficiency rating:71.5

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
June 201571.5FairSatisfactoryFairSatisfactory-1000
June 201371.5FairSatisfactoryFairSatisfactory-1000
June 201126.5PoorSatisfactoryCriticalGoodSD1009
January 201039.0PoorSatisfactoryPoorGoodSD1009
November 200839.0PoorSatisfactoryPoorGoodSD1009
October 200739.0PoorSatisfactoryPoorGoodSD1009
November 200539.0PoorGoodPoorGoodSD1009
October 200355.5PoorGoodPoorGoodSD1009
March 200255.5PoorGoodPoorGoodSD1009
October 199955.5PoorGoodPoorVery Good-1009
October 199755.5PoorGoodPoorVery Good-1009
October 199570.0PoorGoodPoorVery GoodSD-
August 199470.0PoorGoodPoorExcellentSD-
September 199255.0PoorFairFairSeriousSD-
August 199155.0PoorFairSatisfactorySeriousSD-