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LAWRENCE AVE over N BR CHICAGO RIV

Map 

Coordinates:
+41.96850, -87.70120
41°58'07" N, 87°42'04" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:LAWRENCE AVE over N BR CHICAGO RIV
Structure number:016608600000000
Old structure number:000016608626807 (from 1992 edition)
Location:4800 N. & 2900 W.
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:80.1 ft. [24.4 m]
Total length:237.5 ft. [72.4 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:65.0 ft. [19.8 m]
Skew angle:37°
Owner:City or Municipal Highway Agency [04]
Year built:1919
Year reconstructed:1994
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: August 2015 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:17,900 [as of 2014]
Truck traffic:11% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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 protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
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:67.4
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,383,000

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201567.4FairVery GoodVery GoodFairFO17900
August 201367.4FairVery GoodVery GoodFairFO17900
August 201179.9GoodVery GoodVery GoodGoodFO18400
October 200979.8GoodVery GoodVery GoodVery GoodFO20600
October 200779.8GoodVery GoodVery GoodVery GoodFO20600
October 200579.7GoodVery GoodVery GoodVery GoodFO20800
October 200379.7GoodVery GoodExcellentVery GoodFO20800
October 200180.0GoodExcellentExcellentVery Good-16800
October 199980.0GoodExcellentExcellentVery Good-16800
October 199780.0GoodExcellentExcellentVery Good-16800
May 199679.9GoodExcellentExcellentVery GoodFO18400
June 199479.2GoodExcellentExcellentExcellentFO18400
September 199247.1PoorPoorPoorPoorSD22200
October 199047.0PoorPoorPoorFairSD22800