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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 

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]
Evaluation:Functionally obsolete [2]
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. ratingEvaluationDeckSuper.Sub.ADT
August 201567.4Functionally obsoleteVery GoodVery GoodFair17900
August 201367.4Functionally obsoleteVery GoodVery GoodFair17900
August 201179.9Functionally obsoleteVery GoodVery GoodGood18400
October 200979.8Functionally obsoleteVery GoodVery GoodVery Good20600
October 200779.8Functionally obsoleteVery GoodVery GoodVery Good20600
October 200579.7Functionally obsoleteVery GoodVery GoodVery Good20800
October 200379.7Functionally obsoleteVery GoodExcellentVery Good20800
October 200180.0Not deficientExcellentExcellentVery Good16800
October 199980.0Not deficientExcellentExcellentVery Good16800
October 199780.0Not deficientExcellentExcellentVery Good16800
May 199679.9Functionally obsoleteExcellentExcellentVery Good18400
June 199479.2Functionally obsoleteExcellentExcellentExcellent18400
September 199247.1Structurally deficientPoorPoorPoor22200
October 199047.0Structurally deficientPoorPoorFair22800