Share:

I55 NB over I-55 N.B. / I-240

Map

Coordinates:
+35.07133, -90.02561
35°04'17" N, 90°01'32" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I55 NB over I-55 N.B. / I-240
Structure number:79I00550037
Location:I-240 OVER I-55 JCT.
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:80.1 ft. [24.4 m]
Total length:232.3 ft. [70.8 m]
Roadway width between curbs:65.9 ft. [20.1 m]
Deck width edge-to-edge:67.9 ft. [20.7 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:14°
Owner:State Highway Agency [01]
Year built:1958
Year reconstructed:1998
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Prestressed concrete continuous [6]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: January 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:105,430 [as of 2015]
Truck traffic:13% of total traffic
Deck condition:Satisfactory [6 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:Equal to present minimum criteria [6]
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

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
January 2017FairSatisfactoryGoodGood10543094.0
February 2015FairSatisfactoryGoodGood10167094.0
February 2013FairSatisfactoryGoodGood9837094.0
March 2011FairSatisfactoryGoodGood9943094.0
April 2009FairSatisfactoryGoodGood10365094.0
June 2007GoodGoodGoodGood10626094.0
August 2005GoodGoodGoodGood9181092.0
August 2003GoodGoodGoodGood8937092.0
July 2001GoodGoodVery GoodGood6927094.0
January 2000FairFairFairFair5660056.7
January 1998FairFairFairFair9825069.7
August 1995FairSatisfactoryFairSatisfactory9925075.0
August 1993FairSatisfactoryFairSatisfactory8840078.0
November 1991FairSatisfactoryFairSatisfactory8770078.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.3,9753,973200
Deck
Reinforced Concrete Decksq. ft.19,03218,62540700
Substructure
Reinforced Concrete Columneach1515000
Reinforced Concrete Abutmentlinear ft.170170000
Reinforced Concrete Pier Caplinear ft.255255000
Bearings
Elastomeric Bearingeach122122000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.464464000