I55 LL over I-55 S.B. / MALLORY AVE


+35.08703, -90.07669
35°05'13" N, 90°04'36" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I55 LL over I-55 S.B. / MALLORY AVE
Structure number:79I00550072
Location:I-55 EXIT 9
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:210.0 ft. [64.0 m]
Total length:450.2 ft. [137.2 m]
Roadway width between curbs:58.1 ft. [17.7 m]
Deck width edge-to-edge:60.0 ft. [18.3 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:State Highway Agency [01]
Year built:2012
Historic significance:Historical significance is not determinable at this time [4]
Number of main spans:3
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: December 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:58,940 [as of 2017]
Truck traffic:24% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
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:91.1

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
December 2018FairSatisfactoryVery GoodSatisfactory5894091.1
January 2017FairSatisfactoryVery GoodGood6198091.0
February 2015GoodGoodVery GoodGood5933095.2
February 2013GoodGoodVery GoodGood6682092.9
March 2011FairSatisfactoryGoodSatisfactory5449068.7
April 2009FairSatisfactoryGoodSatisfactory6019068.3
June 2007FairSatisfactoryGoodSatisfactory6941067.7
August 2005FairSatisfactoryGoodSatisfactory6848067.8
August 2003FairSatisfactoryGoodSatisfactory6544068.0
September 2001FairSatisfactoryGoodSatisfactory6793071.0
January 2000FairGoodGoodSatisfactory6213068.4
January 1998FairGoodGoodSatisfactory6234070.4
August 1995FairSatisfactorySatisfactoryGood5903065.0
August 1993FairSatisfactorySatisfactorySatisfactory5000075.0
November 1991FairSatisfactoryGoodSatisfactory4738075.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.2,7002,700000
Steel Protective Coatingsq. ft.2,7002,700000
Reinforced Concrete Decksq. ft.27,00027,000000
Reinforced Concrete Columneach44000
Reinforced Concrete Abutmentlinear ft.120120000
Reinforced Concrete Pier Caplinear ft.110110000
Fixed Bearingeach1212000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.900900000