I-240 over BLACK BAYOU


+35.08083, -89.93833
35°04'51" N, 89°56'18" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I-240 over BLACK BAYOU
Structure number:79I02400097
Location:0.4 MI. W OF SR-176
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:66.9 ft. [20.4 m]
Total length:204.1 ft. [62.2 m]
Roadway width between curbs:177.8 ft. [54.2 m]
Deck width edge-to-edge:179.8 ft. [54.8 m]
Skew angle:45°
Owner:State Highway Agency [01]
Year built:1960
Year reconstructed:2003
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:3
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:139,170 [as of 2014]
Truck traffic:7% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:70.3 tons [63.9 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:85.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
February 201585.0Not deficientSatisfactorySatisfactoryGood139170
February 201385.0Not deficientGoodGoodGood140650
March 201185.0Not deficientGoodGoodGood146690
April 200985.0Not deficientGoodGoodGood144380
July 200785.0Not deficientGoodGoodGood150780
August 200585.0Not deficientGoodGoodGood154450
December 200385.0Not deficientGoodGoodGood152590
September 200183.0Not deficientGoodGoodGood148610
February 200083.0Not deficientGoodGoodGood133850
January 199887.9Not deficientGoodGoodGood108210
August 199589.7Not deficientGoodGoodGood110510
August 199390.4Not deficientGoodGoodGood101000
November 199184.9Not deficientGoodGoodGood88330