Share:

I-240 over BLACK BAYOU

Map

Coordinates:
+35.08083, -89.93833
35°04'51" N, 89°56'18" W

Facts

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
Superstructure
Prestressed Concrete Girder/Beamlinear ft.8,4328,432000
Deck
Reinforced Concrete Decksq. ft.47,87247,872000
Substructure
Steel Columneach2121000
Reinforced Concrete Columneach1212000
Reinforced Concrete Abutmentlinear ft.435435000
Reinforced Concrete Pier Caplinear ft.435435000
Bearings
Elastomeric Bearingeach124124000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.544544000