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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
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

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 

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. ratingEvaluationDeckSuper.Sub.ADT
June 201571.5Not deficientSatisfactoryFairSatisfactory1000
June 201371.5Not deficientSatisfactoryFairSatisfactory1000
June 201126.5Structurally deficientSatisfactoryCriticalGood1009
January 201039.0Structurally deficientSatisfactoryPoorGood1009
November 200839.0Structurally deficientSatisfactoryPoorGood1009
October 200739.0Structurally deficientSatisfactoryPoorGood1009
November 200539.0Structurally deficientGoodPoorGood1009
October 200355.5Structurally deficientGoodPoorGood1009
March 200255.5Structurally deficientGoodPoorGood1009
October 199955.5Not deficientGoodPoorVery Good1009
October 199755.5Not deficientGoodPoorVery Good1009
October 199570.0Structurally deficientGoodPoorVery Good-
August 199470.0Structurally deficientGoodPoorExcellent-
September 199255.0Structurally deficientFairFairSerious-
August 199155.0Structurally deficientFairSatisfactorySerious-