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18TH ST over S BR CHICAGO RIVER

Map 

Coordinates:
+41.85768, -87.63551
41°51'28" N, 87°38'08" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:18TH ST over S BR CHICAGO RIVER
Structure number:016601700000000
Old structure number:000016601727332 (from 1992 edition)
Location:301 W 18TH ST
Purpose:Carries highway over waterway
Route classification:Collector (Urban) [17]
Length of largest span:182.1 ft. [55.5 m]
Total length:279.9 ft. [85.3 m]
Roadway width between curbs:47.9 ft. [14.6 m]
Deck width edge-to-edge:74.2 ft. [22.6 m]
Vertical clearance below bridge:21.0 ft. [6.4 m]
Owner:City or Municipal Highway Agency [04]
Year built:1967
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
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: October 2016 

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:13,800 [as of 2014]
Truck traffic:11% of total traffic
Deck condition:Satisfactory [6 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:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
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:48.8 tons [44.4 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:49.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$2,307,000

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201649.0PoorSatisfactoryPoorFairSD13800
October 201446.0PoorPoorPoorFairSD13800
December 201234.0PoorPoorSeriousFairSD10900
December 201046.0PoorPoorPoorGoodSD10900
October 200849.0PoorSeriousPoorGoodSD7300
October 200675.0FairFairSatisfactoryGoodFO7300
September 200476.0FairSatisfactorySatisfactoryGoodFO8309
September 200276.0FairSatisfactorySatisfactoryGoodFO8309
November 200076.0FairSatisfactorySatisfactoryGoodFO8300
July 199876.0FairSatisfactorySatisfactoryGoodFO8300
May 199676.0FairSatisfactorySatisfactoryGoodFO8300
May 199478.0FairSatisfactorySatisfactorySatisfactory-8300
September 199278.0FairSatisfactorySatisfactorySatisfactory-8300
May 199278.0FairSatisfactorySatisfactoryGood-8300
May 199078.0FairSatisfactoryGoodGood-8300