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STATE ST over MAIN BR CHICAGO RIV

Map 

Coordinates:
+41.88783, -87.62792
41°53'16" N, 87°37'41" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:STATE ST over MAIN BR CHICAGO RIV
Structure number:016604800000000
Old structure number:000016604827322 (from 1992 edition)
Location:309 N STATE P
Purpose:Carries highway over waterway
Route classification:Collector (Urban) [17]
Length of largest span:245.1 ft. [74.7 m]
Total length:307.1 ft. [93.6 m]
Roadway width between curbs:71.9 ft. [21.9 m]
Deck width edge-to-edge:107.9 ft. [32.9 m]
Vertical clearance below bridge:21.0 ft. [6.4 m]
Owner:City or Municipal Highway Agency [04]
Year built:1949
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:Closed Grating [4]
Wearing surface:Other [9]

Latest Available Inspection: October 2014 

Status:Posted for load [P]
Average daily traffic:12,050 [as of 2014]
Truck traffic:16% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
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 and functioning [2]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:35.6 tons [32.4 metric tons]
Inventory rating:26.7 tons [24.3 metric tons]
Evaluation:Structurally deficient [1]
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:$3,501,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201451.5Structurally deficientSatisfactoryPoorSatisfactory12050
November 201267.5Functionally obsoleteSatisfactoryFairSatisfactory10000
December 201067.5Functionally obsoleteSatisfactoryFairSatisfactory10000
November 200867.5Functionally obsoleteSatisfactoryFairSatisfactory10700
October 200667.5Functionally obsoleteSatisfactoryFairSatisfactory10700
October 200467.5Functionally obsoleteSatisfactoryFairSatisfactory10600
October 200267.5Functionally obsoleteSatisfactoryFairSatisfactory14909
November 200067.5Functionally obsoleteSatisfactoryFairSatisfactory14900
January 199966.5Functionally obsoleteFairFairSatisfactory14900
May 199667.5Functionally obsoleteSatisfactoryFairSatisfactory14900
May 199469.5Not deficientSatisfactoryFairSatisfactory14900
August 199231.0Structurally deficientPoorCriticalFair14900
October 199080.5Not deficientGoodSatisfactoryGood14900