+29.83870, -89.68790
29°50'19" N, 89°41'16" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0046 over BAYOU LA LOUTRE
Structure number:024402840204921
Location:4.6 MI EAST OF LA 300
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:55.1 ft. [16.8 m]
Total length:129.9 ft. [39.6 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:30.2 ft. [9.2 m]
Vertical clearance above deck:13.8 ft. [4.2 m]
Vertical clearance below bridge:52.5 ft. [16.0 m]
Owner:State Highway Agency [01]
Year built:1957
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:M 13.5 / H 15 [2]
Main span material:Steel [3]
Main span design:Movable - Lift [15]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: May 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,180 [as of 2016]
Truck traffic:5% 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:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Meets minimum tolerable limits to be left in place as is [4]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:31.3
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$624,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2018FairSatisfactorySatisfactoryGood118031.3
May 2017PoorFairPoorGood11802.0
May 2016PoorFairPoorGood11802.0
May 2015PoorFairPoorGood11802.0
June 2014PoorGoodPoorGood11803.0
July 2013PoorGoodPoorGood6404.0
July 2012PoorGoodPoorGood7404.0
July 2011PoorVery GoodPoorVery Good8003.0
July 2010PoorVery GoodPoorVery Good10203.0
July 2008FairSatisfactorySatisfactorySatisfactory113027.4
May 2007FairSatisfactorySatisfactorySatisfactory230027.4
January 2006FairSatisfactorySatisfactoryFair220017.4
May 2004FairSatisfactorySatisfactoryFair210017.4
April 2003FairSatisfactorySatisfactoryFair210015.4
May 2000FairSatisfactorySatisfactoryFair173217.4
June 1998GoodGoodGoodGood268727.4
May 1995GoodGoodGoodGood253327.4
June 1993GoodGoodGoodGood146127.4
October 1991GoodGoodGoodGood199429.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.232232000
Steel Protective Coatingsq. ft.2,0882,088000
Reinforced Concrete Decksq. ft.1,4501,21523500
Steel Floor Beamlinear ft.100100000
Steel Protective Coatingsq. ft.825825000
Steel Column Tower/Trestlelinear ft.272272000
Steel Protective Coatingsq. ft.2,0002,000000
Reinforced Concrete Pier Walllinear ft.8080000
Reinforced Concrete Abutmentlinear ft.8080000
Prestressed Concrete Pileeach88000
Reinforced Concrete Pier Caplinear ft.8080000
Pourable Jointlinear ft.50252500
Open Jointlinear ft.77572000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.260260000
Steel Protective Coatingsq. ft.510510000
Reinforced Concrete Slabsq. ft.1,8001,70010000