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CHICAGO AVE over N BR CHICAGO RIVER

Map 

Coordinates:
+41.89646, -87.64447
41°53'47" N, 87°38'40" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:CHICAGO AVE over N BR CHICAGO RIVER
Structure number:016600800000000
Old structure number:000016600826624 (from 1992 edition)
Location:622 W CHGO AVE P5C
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:189.0 ft. [57.6 m]
Total length:295.9 ft. [90.2 m]
Roadway width between curbs:36.1 ft. [11.0 m]
Deck width edge-to-edge:60.0 ft. [18.3 m]
Vertical clearance below bridge:16.1 ft. [4.9 m]
Owner:City or Municipal Highway Agency [04]
Year built:1914
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Main span material:Steel [3]
Main span design:Movable - Bascule [16]
Deck type:Open Grating [3]
Wearing surface:Other [9]

Latest Available Inspection: September 2015 

Status:Posted for load [P]
Average daily traffic:18,500 [as of 2014]
Truck traffic:16% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Serious [3 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Basically intolerable requiring high priority of replacement [2]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Better than present minimum criteria [7]
Channel protection:There are no noticeable or noteworthy deficiencies which affect the condition of the channel. [9]
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:28.8 tons [26.2 metric tons]
Inventory rating:17.5 tons [15.9 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:4.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,421,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 20154.0Structurally deficientPoorSeriousPoor18500
September 20134.0Structurally deficientPoorSeriousPoor18500
September 20114.0Structurally deficientPoorSeriousPoor22600
September 200911.0Structurally deficientPoorPoorPoor22600
September 200711.0Structurally deficientPoorPoorPoor22300
November 200511.0Structurally deficientPoorPoorPoor24800
October 200342.8Structurally deficientPoorPoorPoor24800
November 200148.8Structurally deficientFairPoorPoor13409
September 199948.8Structurally deficientFairPoorPoor13400
August 199748.8Structurally deficientFairPoorPoor13400
August 199548.5Structurally deficientFairPoorPoor13400
August 199347.1Structurally deficientFairPoorPoor17600
April 199148.2Structurally deficientGoodPoorFair17600