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I- 55 WB ELEVATED over ASHLAND AVE VIADUCT

Map

Coordinates:
+41.83707, -87.67419
41°50'13" N, 87°40'27" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I- 55 WB ELEVATED over ASHLAND AVE VIADUCT
Structure number:016108300000000
Old structure number:000016108326255 (from 1992 edition)
Location:2.6 M SW I-90,94
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:131.6 ft. [40.1 m]
Total length:2456.8 ft. [748.8 m]
Roadway width between curbs:59.1 ft. [18.0 m]
Deck width edge-to-edge:62.3 ft. [19.0 m]
Skew angle:15°
Owner:State Highway Agency [01]
Year built:1963
Year reconstructed:2000
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:31
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:66,750 [as of 2017]
Truck traffic:9% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:94.0
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$10,356,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017GoodGoodVery GoodVery Good6675094.0
August 2015GoodGoodVery GoodVery Good6535094.0
August 2013GoodGoodVery GoodVery Good6485094.0
August 2011GoodGoodVery GoodVery Good7090094.0
September 2009GoodGoodVery GoodVery Good7840094.0
October 2007GoodGoodVery GoodVery Good7525094.0
October 2005GoodGoodVery GoodVery Good7400094.0
September 2003GoodGoodVery GoodVery Good6485093.0
December 2001GoodGoodVery GoodVery Good5405090.8
December 2000GoodGoodExcellentVery Good5870090.8
November 1999PoorPoorFairPoor5820060.8
January 1999PoorPoorFairPoor5735060.8
February 1998PoorPoorFairPoor5625060.8
March 1997PoorPoorFairPoor6690060.8
February 1995PoorPoorFairPoor6870061.8
September 1993PoorPoorFairFair6220077.8
July 1991PoorPoorPoorPoor6135064.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.14,74114,741000
Prestressed Concrete Girder/Beamlinear ft.350350000
Deck
Reinforced Concrete Decksq. ft.181,312174,3027,01000
Substructure
Reinforced Concrete Columneach200197300
Reinforced Concrete Pier Walllinear ft.2,5432,538410
Reinforced Concrete Abutmentlinear ft.129128100
Reinforced Concrete Pier Caplinear ft.2,6722,6601200
Joints
Strip Seal Jointlinear ft.612328010
Assembly with Sealeach37735215100
Bearings
Elastomeric Bearingeach255025500
Fixed Bearingeach7007000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.4,81404,7041100