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DEARBORN ST over C&NW & CARROL AVE

Map 

Coordinates:
+41.88569, -87.62950
41°53'08" N, 87°37'46" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:DEARBORN ST over C&NW & CARROL AVE
Structure number:016611500000000
Old structure number:000016611527309 (from 1992 edition)
Location:36W&330N TO 400N
Purpose:Carries highway over railroad
Route classification:Collector (Urban) [17]
Length of largest span:64.0 ft. [19.5 m]
Total length:248.0 ft. [75.6 m]
Roadway width between curbs:56.1 ft. [17.1 m]
Deck width edge-to-edge:85.3 ft. [26.0 m]
Vertical clearance below bridge:17.1 ft. [5.2 m]
Owner:City or Municipal Highway Agency [04]
Year built:1963
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:5
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: December 2014 

Status:Open, no restriction [A]
Average daily traffic:5,700 [as of 2014]
Truck traffic:11% of total traffic
Deck condition:Fair [5 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]
Underclearances appraisal:Basically intolerable requiring high priority of replacement [2]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
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
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$3,347,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
December 201476.0Functionally obsoleteFairSatisfactorySatisfactory5700
January 201377.0Functionally obsoleteSatisfactorySatisfactorySatisfactory13100
January 201177.0Functionally obsoleteGoodSatisfactorySatisfactory13100
July 200877.0Functionally obsoleteGoodSatisfactorySatisfactory22900
July 200677.0Functionally obsoleteGoodSatisfactorySatisfactory22900
July 200477.0Functionally obsoleteGoodSatisfactorySatisfactory20000
July 200277.0Functionally obsoleteGoodSatisfactorySatisfactory7009
July 200077.0Functionally obsoleteGoodSatisfactorySatisfactory7009
August 199877.0Functionally obsoleteGoodSatisfactoryGood7009
June 199692.0Functionally obsoleteGoodSatisfactoryGood-
October 199492.0Functionally obsoleteVery GoodSatisfactorySatisfactory-
September 199281.0Functionally obsoleteGoodFairSatisfactory-
September 199192.0Functionally obsoleteGoodGoodGood-