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: January 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:144,020 [as of 2015]
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. RatingConditionDeckSuperstructureSubstructureSD/FOADT
January 201785.0FairSatisfactorySatisfactoryGood-144020
February 201585.0FairSatisfactorySatisfactoryGood-139170
February 201385.0GoodGoodGoodGood-140650
March 201185.0GoodGoodGoodGood-146690
April 200985.0GoodGoodGoodGood-144380
July 200785.0GoodGoodGoodGood-150780
August 200585.0GoodGoodGoodGood-154450
December 200385.0GoodGoodGoodGood-152590
September 200183.0GoodGoodGoodGood-148610
February 200083.0GoodGoodGoodGood-133850
January 199887.9GoodGoodGoodGood-108210
August 199589.7GoodGoodGoodGood-110510
August 199390.4GoodGoodGoodGood-101000
November 199184.9GoodGoodGoodGood-88330

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Prestressed Concrete Girder/Beamlinear ft.8,4328,432000
Reinforced Concrete Decksq. ft.47,87247,872000
Steel Columneach2121000
Reinforced Concrete Columneach1212000
Reinforced Concrete Abutmentlinear ft.435435000
Reinforced Concrete Pier Caplinear ft.435435000
Elastomeric Bearingeach124124000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.544544000