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N LASALLE ST over MAIN BR CHICAGO RIV

Map

Coordinates:
+41.88801, -87.63249
41°53'17" N, 87°37'57" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:N LASALLE ST over MAIN BR CHICAGO RIV
Structure number:016603200000000
Old structure number:000016603226800 (from 1992 edition)
Location:307 N LASALLE ST.
Purpose:Carries highway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:242.1 ft. [73.8 m]
Total length:325.1 ft. [99.1 m]
Roadway width between curbs:56.1 ft. [17.1 m]
Deck width edge-to-edge:86.0 ft. [26.2 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:City or Municipal Highway Agency [04]
Year built:1928
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Main span material:Steel [3]
Main span design:Movable - Bascule [16]
Deck type:Open Grating [3]
Wearing surface:Other [9]

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:19,500 [as of 2014]
Truck traffic:9% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Serious [3 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
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]
Sufficiency rating:13.9
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$2,612,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017PoorPoorSeriousFair1950013.9
September 2015PoorPoorSeriousFair1950013.9
October 2013PoorPoorSeriousFair1950013.9
October 2011PoorPoorSeriousFair1245022.2
October 2009PoorPoorSeriousFair1245022.2
October 2007PoorPoorPoorFair1205041.8
November 2005PoorPoorPoorFair1205041.8
October 2003PoorPoorPoorFair300443.1
October 2001PoorPoorPoorFair300445.7
August 1999PoorSeriousPoorFair300448.6
August 1997PoorSeriousPoorFair300448.6
September 1995PoorPoorPoorFair300445.5
March 1994FairFairFairFair300463.6
September 1992FairFairFairFair300463.6
June 1991FairFairFairFair600963.3

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Closed Web/Box Girderlinear ft.4984485000
Steel Stringerlinear ft.1,9921,4104737336
Deck
Reinforced Concrete Decksq. ft.10,4619,2811,18000
Superstructure
Steel Trusslinear ft.9687051747712
Steel Floor Beamlinear ft.1,5591,07231215619
Steel Gusset Plateeach1849546376
Substructure
Steel Columneach2671531
Reinforced Concrete Pier Walllinear ft.66422310
Reinforced Concrete Abutmentlinear ft.1721205200
Steel Pier Caplinear ft.860689150210
Reinforced Concrete Pier Caplinear ft.1328533140
Deck
Open Grid Decksq. ft.7,7806,963778390
Concrete Filled Grid Decksq. ft.5,7124,2841,42800
Joints
Compression Jointlinear ft.1121011100
Open Jointlinear ft.112902200
Assembly without Seal Jointlinear ft.56431003
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.258253005
Other Material Bridge Raillinear ft.120120000