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LOCAL ROAD over LAFOURCHE BAYOU

Map

Coordinates:
+29.59183, -90.46751
29°35'31" N, 90°28'03" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LOCAL ROAD over LAFOURCHE BAYOU
Structure number:022929355902801
Location:0003 LOG MI FROM IN
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Local (Rural) [09]
Length of largest span:84.0 ft. [25.6 m]
Total length:174.9 ft. [53.3 m]
Roadway width between curbs:18.0 ft. [5.5 m]
Deck width edge-to-edge:23.6 ft. [7.2 m]
Vertical clearance below bridge:997.4 ft. [304.0 m]
Owner:County Highway Agency [02]
Year built:1969
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Movable - Swing [17]
Deck type:Steel plate (includes orthotropic) [5]
Wearing surface:Other [9]

Latest Available Inspection: 2071

Good/Fair/Poor Condition:Poor
Average daily traffic:1,500 [as of 1978]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Superior to present desirable criteria [9]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Basically intolerable requiring high priority of replacement [2]
Roadway alignment appraisal:Better than present minimum criteria [7]
Channel protection:Bank and embankment protection is severely undermined. River control devices have severe damage. Large deposits of debris are in the channel. [4]
Culvert condition:Large spalls, heavy scaling, wide cracks, considerable efflorescence or opened construction joint permitting loss of backfill. Considerable settlement or misalignment. Considerable scouring or erosion at curtain walls, wingwalls or pipes. Metal culverts have significant distortion and deflection throughout, extensive corrosion or deep pitting. [4]
Sufficiency rating:71.0

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
2071Poor4 out of 10150071.0
July 2017PoorN out of 10150071.0
July 2015PoorN out of 1015007.1
July 2013PoorN out of 1015007.1
July 2011PoorN out of 10150013.0
July 2009FairN out of 10150030.7
June 2007FairN out of 10150030.7
October 2005FairN out of 10150030.7
December 2003FairN out of 10150030.7
March 2002FairN out of 10150030.7
January 2000FairN out of 10150030.7
January 1998FairN out of 10150030.7
December 1995FairN out of 10150031.9
January 1994FairN out of 10150065.1
October 1991FairN out of 10150066.1

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Timber Girder/Beamlinear ft.1,0641,064000
Substructure
Timber Abutmentlinear ft.5252000
Timber Pileeach1616000
Steel Pier Caplinear ft.5252000
Steel Protective Coatingsq. ft.312312000
Timber Pier Caplinear ft.2626000
Deck
Corrugated or Orthotropic Decksq. ft.2,0162,016000
Timber Decksq. ft.1,8241,824000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.320320000
Steel Protective Coatingsq. ft.1,0651,065000