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MADISON ST over S BR CHICAGO RIV

Map 

Coordinates:
+41.88189, -87.63854
41°52'55" N, 87°38'19" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:MADISON ST over S BR CHICAGO RIV
Structure number:016603400000000
Old structure number:000016603427326 (from 1992 edition)
Location:373 W MADISON
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:221.1 ft. [67.4 m]
Total length:283.2 ft. [86.3 m]
Roadway width between curbs:38.1 ft. [11.6 m]
Deck width edge-to-edge:71.9 ft. [21.9 m]
Vertical clearance below bridge:16.1 ft. [4.9 m]
Owner:City or Municipal Highway Agency [04]
Year built:1922
Year reconstructed:1994
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
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 2015 

Status:Open, no restriction [A]
Average daily traffic:11,400 [as of 2014]
Truck traffic:14% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
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 and functioning [2]
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]
Evaluation:Functionally obsolete [2]
Sufficiency rating:76.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201576.0Functionally obsoleteVery GoodSatisfactorySatisfactory11400
October 201376.0Functionally obsoleteVery GoodGoodSatisfactory11400
October 201176.0Functionally obsoleteVery GoodGoodSatisfactory11000
September 200976.0Functionally obsoleteVery GoodVery GoodVery Good11000
September 200776.0Functionally obsoleteVery GoodVery GoodVery Good9900
October 200576.0Functionally obsoleteVery GoodVery GoodVery Good8300
October 200376.0Functionally obsoleteVery GoodVery GoodVery Good8300
October 200176.0Not deficientVery GoodVery GoodVery Good10009
September 199976.0Not deficientVery GoodVery GoodVery Good10000
August 199776.0Not deficientExcellentVery GoodVery Good10000
August 199576.0Functionally obsoleteExcellentVery GoodVery Good10000
August 199465.0Functionally obsoleteSatisfactoryFairFair10000
May 199265.0Functionally obsoleteSatisfactoryFairFair8000
May 199063.0Functionally obsoleteSatisfactoryFairFair8000