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LAKE ST over S BR CHICAGO RIV

Map

Coordinates:
+41.88571, -87.63814
41°53'09" N, 87°38'17" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:LAKE ST over S BR CHICAGO RIV
Structure number:016602900000000
Old structure number:000016602926799 (from 1992 edition)
Location:356 W LAKE ST
Purpose:Carries highway and railroad over waterway
Route classification:Collector (Urban) [17]
Length of largest span:245.1 ft. [74.7 m]
Total length:359.3 ft. [109.5 m]
Roadway width between curbs:38.1 ft. [11.6 m]
Deck width edge-to-edge:69.9 ft. [21.3 m]
Vertical clearance below bridge:16.1 ft. [4.9 m]
Owner:City or Municipal Highway Agency [04]
Year built:1916
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Movable - Bascule [16]
Deck type:Closed Grating [4]
Wearing surface:Other [9]

Latest Available Inspection: September 2015

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:11,000 [as of 2014]
Truck traffic:7% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Critical [2 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Basically intolerable requiring high priority of replacement [2]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Better than present minimum criteria [7]
Channel protection:There are no noticeable or noteworthy deficiencies which affect the condition of the channel. [9]
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:47.4 tons [43.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:6.4
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,715,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 20156.4PoorFairCriticalPoorSD11000
October 201333.0PoorSatisfactorySeriousPoorSD11000
October 201148.1PoorGoodPoorFairSD8700
September 200964.4FairGoodFairFairFO8700
September 200764.0FairGoodFairFairFO14500
October 200564.0FairGoodSatisfactoryFairFO14500
October 200364.0FairGoodSatisfactoryFairFO14500
October 200147.7PoorVery GoodSatisfactoryPoorSD13009
August 199947.7PoorVery GoodSatisfactoryPoorSD13000
August 199747.7PoorVery GoodSatisfactoryPoorSD13000
September 199546.9PoorVery GoodSatisfactoryPoorSD13000
August 199347.6PoorSatisfactoryPoorFairSD8300
March 199164.0FairSatisfactoryFairFairFO8300