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FAU-1405 (Lake St) over S BR CHICAGO RIV

Map

Coordinates:
+41.88573, -87.63810
41°53'09" N, 87°38'17" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:FAU-1405 (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:13.1 ft. [4.0 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 2017

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:Satisfactory [6 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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]
Sufficiency rating:36.5
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,715,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017PoorSatisfactoryCriticalPoor1100036.5
September 2015PoorFairCriticalPoor110006.4
October 2013PoorSatisfactorySeriousPoor1100033.0
October 2011PoorGoodPoorFair870048.1
September 2009FairGoodFairFair870064.4
September 2007FairGoodFairFair1450064.0
October 2005FairGoodSatisfactoryFair1450064.0
October 2003FairGoodSatisfactoryFair1450064.0
October 2001PoorVery GoodSatisfactoryPoor1300947.7
August 1999PoorVery GoodSatisfactoryPoor1300047.7
August 1997PoorVery GoodSatisfactoryPoor1300047.7
September 1995PoorVery GoodSatisfactoryPoor1300046.9
August 1993PoorSatisfactoryPoorFair830047.6
March 1991FairSatisfactoryFairFair830064.0