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IRVING PARK RD over N BR CHICAGO RIVER

Map 

Coordinates:
+41.95391, -87.69464
41°57'14" N, 87°41'41" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:IRVING PARK RD over N BR CHICAGO RIVER
Structure number:016608200000000
Old structure number:000016608226848 (from 1992 edition)
Location:4000 N & 2650 W
Purpose:Carries highway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:60.0 ft. [18.3 m]
Total length:185.0 ft. [56.4 m]
Roadway width between curbs:66.9 ft. [20.4 m]
Deck width edge-to-edge:82.0 ft. [25.0 m]
Owner:City or Municipal Highway Agency [04]
Year built:1914
Year reconstructed:1950
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Steel [3]
Main spans design:Girder and floorbeam system [03]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: June 2015 

Status:Open, no restriction [A]
Average daily traffic:20,700 [as of 2015]
Truck traffic:9% of total traffic
Deck condition:Fair [5 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 is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
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:83.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$2,003,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
June 201583.0Not deficientFairFairFair20700
June 201383.0Not deficientFairFairFair30600
June 201169.0Not deficientSatisfactoryFairFair35400
January 201066.0Not deficientSatisfactoryFairFair31200
November 200866.0Not deficientSatisfactoryFairFair37400
October 200766.0Not deficientSatisfactoryFairFair26700
November 200566.0Not deficientSatisfactoryFairFair36200
October 200352.0Functionally obsoleteSatisfactoryFairFair48400
March 200252.0Functionally obsoleteSatisfactorySatisfactoryFair48400
October 199952.0Functionally obsoleteSatisfactorySatisfactoryFair32700
October 199752.0Functionally obsoleteSatisfactorySatisfactoryFair33800
October 199563.0Functionally obsoleteSatisfactorySatisfactorySatisfactory33100
August 199466.0Functionally obsoleteSatisfactoryGoodSatisfactory33100
June 199255.0Functionally obsoleteSatisfactoryFairSatisfactory24800
June 199066.6Functionally obsoleteSatisfactoryGoodGood24800