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LA0308 over BAYOU LAFOURCHE

Map

Coordinates:
+29.38869, -90.26308
29°23'19" N, 90°15'47" 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:69.9 ft. [21.3 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 2016

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:4,700 [as of 2015]
Truck traffic:6% 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]
Operating rating:51.9 tons [47.2 metric tons]
Inventory rating:37.0 tons [33.6 metric tons]
Sufficiency rating:45.1

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
November 201645.1PoorGoodPoorSatisfactorySD4700
December 201484.0FairGoodSatisfactorySatisfactory-2200
December 201283.9FairGoodSatisfactorySatisfactory-2300
December 201075.0FairGoodSatisfactorySatisfactory-4000
December 200874.8FairGoodSatisfactorySatisfactory-4200
September 200772.8FairFairSatisfactorySatisfactory-5400
March 200572.7FairSatisfactorySatisfactorySatisfactory-6900
July 200239.6PoorSeriousPoorPoorSD7900
February 200150.4PoorSeriousPoorPoorSD2594
March 199860.2FairFairSatisfactoryFair-6310
May 199573.5FairSatisfactorySatisfactorySatisfactory-5948
June 199376.0FairSatisfactorySatisfactorySatisfactory-2710
March 199275.7FairSatisfactorySatisfactorySatisfactory-3073

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.208208000
Steel Stringerlinear ft.8322973961390
Steel Floor Beamlinear ft.22862123430
Substructure
Reinforced Concrete Pier Walllinear ft.70700
Reinforced Concrete Abutmentlinear ft.10095500
Prestressed Concrete Pileeach1212000
Reinforced Concrete Pier Caplinear ft.8080000
Deck
Open Grid Decksq. ft.3,9523,952000
Joints
Pourable Jointlinear ft.152015200
Open Jointlinear ft.7676000
Bearings
Fixed Bearingeach40301
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.208208000
Reinforced Concrete Bridge Raillinear ft.200200000
Deck
Reinforced Concrete Slabsq. ft.3,80003,80000