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ADAMS ST over S BR CHICAGO RIV

Map 

Coordinates:
+41.87931, -87.63774
41°52'46" N, 87°38'16" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:ADAMS ST over S BR CHICAGO RIV
Structure number:016600100000000
Old structure number:000016600127340 (from 1992 edition)
Location:100 S & 380 W
Purpose:Carries highway over waterway
Route classification:Collector (Urban) [17]
Length of largest span:199.2 ft. [60.7 m]
Total length:270.4 ft. [82.4 m]
Roadway width between curbs:38.1 ft. [11.6 m]
Deck width edge-to-edge:64.0 ft. [19.5 m]
Vertical clearance below bridge:16.1 ft. [4.9 m]
Owner:City or Municipal Highway Agency [04]
Year built:1927
Year reconstructed:1996
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
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:Posted for load [P]
Average daily traffic:11,400 [as of 2014]
Truck traffic:8% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Poor [4 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 replacement [2]
Water adequacy appraisal:Equal to present desirable criteria [8]
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:35.6 tons [32.4 metric tons]
Inventory rating:26.7 tons [24.3 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:46.5

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201546.5Structurally deficientSatisfactoryPoorPoor11400
October 201346.5Structurally deficientSatisfactoryPoorPoor11400
October 201145.5Structurally deficientFairPoorFair9800
September 200968.5Functionally obsoleteSatisfactorySatisfactorySatisfactory9800
September 200768.5Functionally obsoleteSatisfactorySatisfactorySatisfactory9300
October 200568.5Functionally obsoleteSatisfactorySatisfactorySatisfactory11009
October 200368.5Not deficientSatisfactorySatisfactorySatisfactory11009
October 200168.5Not deficientSatisfactorySatisfactorySatisfactory11009
August 199968.5Not deficientSatisfactorySatisfactorySatisfactory11000
August 199768.5Not deficientSatisfactorySatisfactorySatisfactory11000
August 199529.5Structurally deficientSatisfactorySeriousFair11000
August 199329.5Structurally deficientSatisfactorySeriousFair11000
March 199157.5Functionally obsoleteSatisfactoryFairSatisfactory11000