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LAWRENCE AVE over N BR CHICAGO RIV

Map

Coordinates:
+41.96851, -87.70134
41°58'07" N, 87°42'05" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
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:99.7 ft. [30.4 m]
Total length:252.0 ft. [76.8 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 2017

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:Equal to present minimum criteria [6]
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]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:87.1
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

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017FairVery GoodVery GoodFair1790087.1
August 2015FairVery GoodVery GoodFair1790067.4
August 2013FairVery GoodVery GoodFair1790067.4
August 2011GoodVery GoodVery GoodGood1840079.9
October 2009GoodVery GoodVery GoodVery Good2060079.8
October 2007GoodVery GoodVery GoodVery Good2060079.8
October 2005GoodVery GoodVery GoodVery Good2080079.7
October 2003GoodVery GoodExcellentVery Good2080079.7
October 2001GoodExcellentExcellentVery Good1680080.0
October 1999GoodExcellentExcellentVery Good1680080.0
October 1997GoodExcellentExcellentVery Good1680080.0
May 1996GoodExcellentExcellentVery Good1840079.9
June 1994GoodExcellentExcellentExcellent1840079.2
September 1992PoorPoorPoorPoor2220047.1
October 1990PoorPoorPoorFair2280047.0