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LOCAL ROAD over LAFOURCHE BAYOU

Map

Coordinates:
+29.73051, -90.60708
29°43'50" N, 90°36'25" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LOCAL ROAD over LAFOURCHE BAYOU
Structure number:022929438903641
Location:0001 LOG MI FROM IN
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:75.1 ft. [22.9 m]
Total length:194.9 ft. [59.4 m]
Roadway width between curbs:24.6 ft. [7.5 m]
Deck width edge-to-edge:33.5 ft. [10.2 m]
Vertical clearance above deck:15.1 ft. [4.6 m]
Vertical clearance below bridge:52.5 ft. [16.0 m]
Owner:County Highway Agency [02]
Year built:1968
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:Open Grating [3]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: July 2017

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:5,210 [as of 1971]
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 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:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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]
Sufficiency rating:52.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$613,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2017FairSatisfactorySatisfactorySatisfactory521052.0
July 2015FairSatisfactorySatisfactorySatisfactory521051.8
July 2013FairSatisfactorySatisfactorySatisfactory521051.8
July 2011FairSatisfactorySatisfactoryGood521051.8
July 2009FairSatisfactorySatisfactoryGood521051.8
June 2007FairFairSatisfactoryGood521050.8
October 2005FairFairSatisfactoryGood521050.8
January 2004FairFairSatisfactoryGood521050.8
February 2002FairFairSatisfactoryGood521050.8
January 2000FairFairSatisfactoryGood521050.8
January 1998FairFairSatisfactoryGood521049.8
January 1996FairFairSatisfactoryGood521051.0
January 1994FairFairSatisfactoryGood521051.0
October 1991FairFairSatisfactoryGood521049.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.1521420100
Steel Protective Coatingsq. ft.1,368001,34424
Steel Stringerlinear ft.380037802
Steel Protective Coatingsq. ft.1,440001,4364
Steel Floor Beamlinear ft.1201100100
Steel Protective Coatingsq. ft.1,320001,3200
Substructure
Steel Column Tower/Trestlelinear ft.2802621080
Steel Protective Coatingsq. ft.5,880005,380500
Reinforced Concrete Pier Walllinear ft.9090000
Reinforced Concrete Abutmentlinear ft.6060000
Prestressed Concrete Pileeach5959000
Reinforced Concrete Pier Caplinear ft.120117030
Deck
Open Grid Decksq. ft.1,8241,1145002100
Steel Protective Coatingsq. ft.6,384006,3840
Joints
Pourable Jointlinear ft.180180000
Open Jointlinear ft.6060000
Bearings
Fixed Bearingeach44000
Steel Protective Coatingsq. ft.1616000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.152152000
Steel Protective Coatingsq. ft.760760000
Reinforced Concrete Bridge Raillinear ft.2402300100
Deck
Reinforced Concrete Slabsq. ft.2,8802,76012000