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LA3048 over BURNS BAYOU

Map

Coordinates:
+32.43179, -91.72470
32°25'54" N, 91°43'29" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA3048 over BURNS BAYOU
Structure number:054203390302381
Location:2.4 MI NORTH OF LA 584
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:19.0 ft. [5.8 m]
Total length:113.9 ft. [34.7 m]
Roadway width between curbs:24.9 ft. [7.6 m]
Deck width edge-to-edge:27.9 ft. [8.5 m]
Owner:State Highway Agency [01]
Year built:1960
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Number of main spans:6
Main spans material:Wood or timber [7]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Wood or Timber [8]
Wearing surface:Bituminous [6]

Latest Available Inspection: October 2017

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:1,080 [as of 2016]
Truck traffic:1% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Poor [4 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:Better than present minimum criteria [7]
Roadway alignment appraisal:Better than present minimum criteria [7]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:38.8
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$556,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2017PoorSatisfactorySatisfactoryPoor108038.8
October 2015PoorSatisfactorySatisfactoryPoor104038.6
January 2014PoorSatisfactorySatisfactoryPoor103038.6
January 2012PoorSatisfactorySatisfactoryPoor90038.7
February 2011PoorSatisfactorySatisfactoryPoor90038.7
January 2010PoorSatisfactorySatisfactoryPoor99038.7
February 2009PoorSatisfactorySatisfactoryPoor99038.7
October 2007PoorSatisfactorySatisfactoryPoor99038.7
August 2006PoorSatisfactorySatisfactoryPoor93038.7
August 2005PoorSatisfactorySatisfactoryPoor93038.7
March 2004PoorSatisfactorySatisfactoryPoor109038.6
March 2003PoorSatisfactorySatisfactoryPoor126038.4
January 2002PoorSatisfactorySatisfactoryPoor128038.4
September 2000PoorSatisfactorySatisfactoryPoor128038.4
October 1999PoorSatisfactorySatisfactoryPoor128038.4
September 1998PoorSatisfactorySatisfactoryPoor128038.4
August 1997PoorSatisfactorySatisfactoryPoor155838.2
August 1996PoorSatisfactorySatisfactoryPoor155838.2
August 1995PoorSatisfactorySatisfactoryPoor142339.0
July 1994PoorSatisfactoryPoorSerious140923.4
July 1993PoorSatisfactorySatisfactoryPoor60445.3
October 1992PoorSatisfactorySatisfactoryPoor72745.3
July 1990FairSatisfactorySatisfactorySatisfactory72771.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Timber Girder/Beamlinear ft.1,8401,840000
Substructure
Timber Columneach20020
Timber Abutmentlinear ft.5252000
Timber Pileeach43211543
Timber Pier Caplinear ft.1621224000
Deck
Timber Decksq. ft.3,1981,5991,59900
Wearing Surfacessq. ft.3,1982,97822000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.230230000
Steel Protective Coatingsq. ft.1,1501,150000