Share:

CORTLAND ST over N BR CHICAGO RIV

Map

Coordinates:
+41.91702, -87.66404
41°55'01" N, 87°39'51" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:CORTLAND ST over N BR CHICAGO RIV
Structure number:016601100000000
Old structure number:000016601126625 (from 1992 edition)
Location:1440 W CORTLAND
Purpose:Carries highway over waterway
Route classification:Collector (Urban) [17]
Length of largest span:128.0 ft. [39.0 m]
Total length:216.9 ft. [66.1 m]
Roadway width between curbs:36.1 ft. [11.0 m]
Deck width edge-to-edge:36.1 ft. [11.0 m]
Vertical clearance above deck:16.1 ft. [4.9 m]
Vertical clearance below bridge:16.1 ft. [4.9 m]
Owner:City or Municipal Highway Agency [04]
Year built:1902
Year reconstructed:1997
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:Open Grating [3]
Wearing surface:Other [9]

Latest Available Inspection: December 2015

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:9,900 [as of 2014]
Truck traffic:9% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Fair [5 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:Superior to present desirable criteria [9]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Pier/abutment protection:None present but re-evaluation suggested [5]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:37.7 tons [34.3 metric tons]
Inventory rating:22.8 tons [20.7 metric tons]
Sufficiency rating:36.8
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,031,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 201536.8PoorGoodPoorFairSD9900
September 201336.8PoorSatisfactoryPoorFairSD9900
September 201137.9PoorGoodPoorFairSD13200
January 201046.6PoorGoodPoorGoodSD13200
October 200746.1PoorGoodPoorGoodSD18400
November 200547.8PoorGoodPoorGoodSD1509
October 200363.9FairGoodFairGoodFO1509
October 200173.9FairGoodSatisfactoryGoodFO1009
September 199973.9FairGoodSatisfactoryGoodFO1009
September 199773.9FairGoodSatisfactoryGoodFO1009
September 199549.0PoorFairSeriousSatisfactorySD-
March 199477.0FairGoodFairSatisfactoryFO-
September 199274.0PoorPoorSatisfactoryFairSD-
August 199147.0PoorPoorSeriousPoorSD-