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LA0308 over BAYOU LAFOURCHE

Map

Coordinates:
+29.38931, -90.26472
29°23'22" N, 90°15'53" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0308 over BAYOU LAFOURCHE
Structure number:022904070100001
Location:.01 MI NORTH OF LA 1
Purpose:Carries highway over waterway
Route classification:Collector (Urban) [17]
Length of largest span:104.0 ft. [31.7 m]
Total length:204.1 ft. [62.2 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:38.4 ft. [11.7 m]
Vertical clearance above deck:22.6 ft. [6.9 m]
Vertical clearance below bridge:68.9 ft. [21.0 m]
Owner:State Highway Agency [01]
Year built:1970
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Movable - Lift [15]
Deck type:Open Grating [3]

Latest Available Inspection: November 2017

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:4,700 [as of 2016]
Truck traffic:13% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
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]
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:45.1

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2017PoorGoodPoorSatisfactory470045.1
November 2016PoorGoodPoorSatisfactory470045.1
December 2014FairGoodSatisfactorySatisfactory220084.0
December 2012FairGoodSatisfactorySatisfactory230083.9
December 2010FairGoodSatisfactorySatisfactory400075.0
December 2008FairGoodSatisfactorySatisfactory420074.8
September 2007FairFairSatisfactorySatisfactory540072.8
March 2005FairSatisfactorySatisfactorySatisfactory690072.7
July 2002PoorSeriousPoorPoor790039.6
February 2001PoorSeriousPoorPoor259450.4
March 1998FairFairSatisfactoryFair631060.2
May 1995FairSatisfactorySatisfactorySatisfactory594873.5
June 1993FairSatisfactorySatisfactorySatisfactory271076.0
March 1992FairSatisfactorySatisfactorySatisfactory307375.7

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.2081882000
Steel Protective Coatingsq. ft.3,0583,058000
Steel Stringerlinear ft.8324322501500
Steel Protective Coatingsq. ft.4,3264,326000
Steel Floor Beamlinear ft.22843351500
Steel Protective Coatingsq. ft.2,1552,155000
Substructure
Prestressed Concrete Columneach5252000
Reinforced Concrete Abutmentlinear ft.10099100
Reinforced Concrete Pier Caplinear ft.2001845110
Deck
Open Grid Decksq. ft.3,9523,952000
Steel Protective Coatingsq. ft.3,9523,952000
Joints
Pourable Jointlinear ft.152015200
Open Jointlinear ft.6868000
Bearings
Fixed Bearingeach43010
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.208208000
Reinforced Concrete Bridge Raillinear ft.2001882100
Deck
Reinforced Concrete Slabsq. ft.3,8002,82098000
Steel Protective Coatingsq. ft.2,4962,496000