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LA0135 over MUDDY BAYOU

Map

Coordinates:
+32.25958, -91.86600
32°15'34" N, 91°51'58" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0135 over MUDDY BAYOU
Structure number:054201670205051
Location:1.6 MI NORTH OF LA 622
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:19.0 ft. [5.8 m]
Total length:97.1 ft. [29.6 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: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:5
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: September 2017

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:650 [as of 2016]
Truck traffic:8% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 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: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:61.7
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$483,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017FairSatisfactorySatisfactoryFair65061.7
September 2015PoorSatisfactorySatisfactoryPoor58045.5
January 2014PoorSatisfactorySatisfactoryPoor58045.5
January 2012PoorSatisfactorySatisfactoryPoor62045.5
February 2011PoorSatisfactorySatisfactoryPoor62045.5
February 2010PoorSatisfactorySatisfactoryPoor76039.1
February 2009PoorSatisfactorySatisfactoryPoor76039.1
September 2007PoorSatisfactorySatisfactoryPoor76039.1
August 2006PoorSatisfactorySatisfactoryPoor84039.1
August 2005PoorSatisfactorySatisfactoryPoor84039.1
November 2004PoorSatisfactorySatisfactoryPoor84039.1
March 2003PoorSatisfactorySatisfactoryPoor67045.5
September 2000FairSatisfactorySatisfactorySatisfactory70170.2
August 1998FairSatisfactorySatisfactorySatisfactory70170.2
July 1996FairSatisfactorySatisfactorySatisfactory83563.9
July 1994FairSatisfactorySatisfactorySatisfactory103664.5
June 1992FairSatisfactorySatisfactorySatisfactory63570.2
July 1990FairSatisfactorySatisfactorySatisfactory63570.2

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Timber Girder/Beamlinear ft.1,5201,22030000
Substructure
Timber Abutmentlinear ft.7266060
Timber Pileeach2816921
Timber Pier Caplinear ft.168168000
Deck
Timber Decksq. ft.2,4252,425000
Wearing Surfacessq. ft.2,42502,42500
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.200200000
Steel Protective Coatingsq. ft.1,00001,00000