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I- 55 EB ELEVATED over S BR CHICAGO RIVER

Map

Coordinates:
+41.83942, -87.66368
41°50'22" N, 87°39'49" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I- 55 EB ELEVATED over S BR CHICAGO RIVER
Structure number:016108600000000
Old structure number:000016108626258 (from 1992 edition)
Location:1.1 M SW I-94
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:106.3 ft. [32.4 m]
Total length:387.2 ft. [118.0 m]
Roadway width between curbs:68.9 ft. [21.0 m]
Deck width edge-to-edge:72.2 ft. [22.0 m]
Vertical clearance below bridge:29.5 ft. [9.0 m]
Skew angle:15°
Owner:State Highway Agency [01]
Year built:1963
Year reconstructed:1998
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:4
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: August 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:80,550 [as of 2017]
Truck traffic:7% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:93.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017GoodGoodGoodGood8055093.0
August 2015GoodGoodGoodGood7230093.0
August 2013GoodGoodGoodGood7180093.0
August 2011GoodGoodGoodGood8455093.0
October 2009GoodGoodGoodGood8590093.0
October 2007GoodGoodVery GoodGood8160093.0
October 2005GoodGoodVery GoodGood8030093.0
September 2003GoodVery GoodVery GoodGood7520093.0
October 2001GoodVery GoodVery GoodGood6740093.0
November 1999GoodExcellentVery GoodGood7220093.0
February 1998PoorPoorSatisfactoryFair6920079.0
April 1996PoorPoorSatisfactorySatisfactory6690090.0
February 1995PoorPoorSatisfactorySatisfactory6870090.0
September 1993PoorPoorSatisfactorySatisfactory6220090.0
October 1992PoorPoorSatisfactoryPoor6135063.0
July 1991PoorPoorSatisfactoryPoor6135063.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.2,3232,22010300
Deck
Reinforced Concrete Decksq. ft.29,30626,8812,42500
Substructure
Reinforced Concrete Columneach2222000
Reinforced Concrete Pier Walllinear ft.243242100
Reinforced Concrete Abutmentlinear ft.1491321700
Reinforced Concrete Pier Caplinear ft.392392000
Joints
Strip Seal Jointlinear ft.7807800
Assembly with Sealeach7878000
Bearings
Elastomeric Bearingeach4035230
Fixed Bearingeach1010000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.77406741000