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I-55 (NB) over ILLINOIS CENTRAL RR

Map

Coordinates:
+39.62969, -89.64662
39°37'47" N, 89°38'48" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-55 (NB) over ILLINOIS CENTRAL RR
Structure number:084011200000000
Old structure number:000084011225626 (from 1992 edition)
Location:1M N GLENARM INTCHG
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:109.6 ft. [33.4 m]
Total length:339.9 ft. [103.6 m]
Roadway width between curbs:54.5 ft. [16.6 m]
Deck width edge-to-edge:58.1 ft. [17.7 m]
Vertical clearance below bridge:23.0 ft. [7.0 m]
Skew angle:64°
Owner:State Highway Agency [01]
Year built:1971
Year reconstructed:1979
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:2
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Other [9]

Latest Available Inspection: January 2017

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:18,200 [as of 2013]
Truck traffic:19% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:67.8

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
January 2017PoorSatisfactoryPoorSatisfactory1820067.8
January 2016PoorSatisfactoryPoorSatisfactory1820067.8
January 2014FairSatisfactoryFairSatisfactory1820085.0
January 2012FairGoodSatisfactorySatisfactory1835097.1
January 2010FairGoodSatisfactorySatisfactory1755497.2
January 2008FairGoodSatisfactorySatisfactory1750097.2
January 2006FairGoodSatisfactorySatisfactory1780097.2
January 2004FairGoodSatisfactorySatisfactory1595495.3
February 2002FairSatisfactorySatisfactorySatisfactory1595096.0
February 2001PoorSatisfactorySatisfactoryPoor1695069.0
2000PoorSatisfactorySatisfactoryPoor1695069.0
April 1998PoorSatisfactoryGoodPoor1610069.0
May 1997PoorSatisfactoryGoodPoor1610064.9
May 1996PoorSatisfactoryGoodPoor1490064.9
January 1995FairSatisfactoryGoodSatisfactory1460091.9
January 1993FairSatisfactoryGoodSatisfactory2490096.0
January 1991FairSatisfactoryGoodSatisfactory2490096.0

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.802030300
Steel Girder/Beamlinear ft.2,0406721,36800
Reinforced Concrete Girder/Beamlinear ft.59949620830
Deck
Reinforced Concrete Decksq. ft.19,43615,0444,13149212
Substructure
Reinforced Concrete Columneach4040000
Reinforced Concrete Abutmentlinear ft.26520521390
Steel Pier Caplinear ft.662654710
Reinforced Concrete Pier Caplinear ft.34326158240
Joints
Pourable Jointlinear ft.116076040
Bearings
Elastomeric Bearingeach1601600
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.65904592000