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


+35.07111, -90.02556
35°04'16" N, 90°01'32" W
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:16.4 ft. [5.0 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: February 2015 

Status:Open, no restriction [A]
Average daily traffic:101,670 [as of 2014]
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]
Operating rating:48.5 tons [44.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:94.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
February 201594.0Functionally obsoleteSatisfactoryGoodGood101670
February 201394.0Functionally obsoleteSatisfactoryGoodGood98370
March 201194.0Functionally obsoleteSatisfactoryGoodGood99430
April 200994.0Functionally obsoleteSatisfactoryGoodGood103650
June 200794.0Functionally obsoleteGoodGoodGood106260
August 200592.0Not deficientGoodGoodGood91810
August 200392.0Not deficientGoodGoodGood89370
July 200194.0Not deficientGoodVery GoodGood69270
January 200056.7Functionally obsoleteFairFairFair56600
January 199869.7Functionally obsoleteFairFairFair98250
August 199575.0Functionally obsoleteSatisfactoryFairSatisfactory99250
August 199378.0Functionally obsoleteSatisfactoryFairSatisfactory88400
November 199178.0Functionally obsoleteSatisfactoryFairSatisfactory87700