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HARRISON ST over S BR CHICAGO RIVER

Map 

Coordinates:
+41.87443, -87.63630
41°52'28" N, 87°38'11" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:HARRISON ST over S BR CHICAGO RIVER
Structure number:016602500000000
Old structure number:000016602526627 (from 1992 edition)
Location:600 S & 322 W
Purpose:Carries highway over waterway
Route classification:Collector (Urban) [17]
Length of largest span:210.0 ft. [64.0 m]
Total length:278.9 ft. [85.0 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:68.9 ft. [21.0 m]
Vertical clearance below bridge:23.0 ft. [7.0 m]
Owner:City or Municipal Highway Agency [04]
Year built:1960
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Movable - Bascule [16]
Deck type:Open Grating [3]
Wearing surface:Other [9]

Latest Available Inspection: October 2014 

Status:Posted for load [P]
Average daily traffic:6,900 [as of 2014]
Truck traffic:11% of total traffic
Deck condition:Satisfactory [6 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: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: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]
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:37.4 tons [34.0 metric tons]
Inventory rating:22.4 tons [20.4 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:51.5
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,694,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201451.5Functionally obsoleteSatisfactoryFairFair6900
December 201251.5Functionally obsoleteSatisfactorySatisfactoryFair16800
December 201062.0Functionally obsoleteSatisfactorySatisfactorySatisfactory16800
December 200862.0Functionally obsoleteSatisfactorySatisfactorySatisfactory9000
October 200641.0Structurally deficientSatisfactoryPoorSatisfactory9000
September 200441.0Structurally deficientSatisfactoryPoorSatisfactory8609
September 200249.0Structurally deficientGoodPoorSatisfactory8609
November 200049.0Structurally deficientGoodPoorSatisfactory8600
July 199849.0Structurally deficientGoodPoorSatisfactory8600
May 199649.0Structurally deficientGoodPoorSatisfactory8600
May 199465.0Functionally obsoleteSatisfactorySatisfactoryFair8600
August 199265.0Functionally obsoleteGoodSatisfactoryFair8600
August 199076.0Functionally obsoleteGoodSatisfactoryGood8600