+32.23301, -91.87900
32°13'59" N, 91°52'44" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0576 over MUDDY BAYOU
Structure number:054203410106081
Location:6.0 MI SOUTH OF LA 132
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:19.0 ft. [5.8 m]
Total length:77.1 ft. [23.5 m]
Roadway width between curbs:24.9 ft. [7.6 m]
Deck width edge-to-edge:27.6 ft. [8.4 m]
Owner:State Highway Agency [01]
Year built:1968
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:4
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:Fair
Status:Posted for load [P]
Average daily traffic:700 [as of 2016]
Truck traffic:15% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:Equal to present desirable criteria [8]
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]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:71.2
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$397,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2017FairSatisfactorySatisfactorySatisfactory70071.2
October 2015PoorSatisfactorySatisfactoryPoor40046.0
January 2014PoorSatisfactorySatisfactoryPoor40046.0
January 2012PoorSatisfactorySatisfactoryPoor57044.7
February 2011PoorSatisfactorySatisfactoryPoor65044.5
February 2010PoorSatisfactorySatisfactoryPoor80037.7
February 2009PoorSatisfactorySatisfactoryPoor81037.6
October 2007PoorSatisfactorySatisfactoryPoor82037.6
August 2006PoorSatisfactorySatisfactoryPoor90037.4
August 2005PoorSatisfactorySatisfactoryPoor91037.4
March 2004PoorSatisfactorySatisfactoryPoor104037.1
March 2003PoorSatisfactorySatisfactoryPoor117036.8
January 2002PoorSatisfactorySatisfactoryPoor97133.5
September 2000PoorSatisfactorySatisfactoryPoor97133.5
November 1999PoorSatisfactorySatisfactoryPoor97133.5
September 1998PoorSatisfactorySatisfactoryPoor97133.5
August 1997PoorSatisfactorySatisfactoryPoor94433.5
July 1996PoorSatisfactorySatisfactoryPoor94433.5
August 1995PoorSatisfactorySatisfactoryPoor115533.6
July 1994PoorPoorSatisfactoryPoor114430.1
June 1992FairSatisfactorySatisfactorySatisfactory53864.7
July 1990FairSatisfactorySatisfactorySatisfactory53864.7

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Timber Girder/Beamlinear ft.1,216996200200
Timber Abutmentlinear ft.7270020
Timber Pileeach2515901
Timber Pier Caplinear ft.1401162400
Timber Decksq. ft.1,9251,72520000
Wearing Surfacessq. ft.1,9251,8854000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.154154000
Steel Protective Coatingsq. ft.343343000