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LA0509 over WATSON BAYOU

Map

Coordinates:
+32.13599, -93.50700
32°08'10" N, 93°30'25" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0509 over WATSON BAYOU
Structure number:044101050300371
Location:1.64 MI WEST OF LA 1
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:19.0 ft. [5.8 m]
Total length:76.1 ft. [23.2 m]
Roadway width between curbs:28.5 ft. [8.7 m]
Deck width edge-to-edge:30.8 ft. [9.4 m]
Owner:State Highway Agency [01]
Year built:1978
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:4
Main spans material:Concrete [1]
Main spans design:Slab [01]
Deck type:Concrete Precast Panels [2]
Wearing surface:Bituminous [6]

Latest Available Inspection: June 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:2,200 [as of 2016]
Truck traffic:19% 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:Equal to present minimum criteria [6]
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 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 is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:91.5

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2018FairSatisfactorySatisfactorySatisfactory220091.5
June 2016FairSatisfactorySatisfactorySatisfactory210091.5
June 2014FairSatisfactorySatisfactorySatisfactory200092.6
June 2012FairSatisfactorySatisfactorySatisfactory165092.6
June 2010FairSatisfactorySatisfactorySatisfactory144092.6
July 2008FairSatisfactorySatisfactorySatisfactory140092.6
November 2006FairSatisfactorySatisfactorySatisfactory90091.7
June 2004FairGoodGoodSatisfactory105091.6
July 2003GoodVery GoodVery GoodGood105091.6
August 2001GoodVery GoodVery GoodGood108891.6
July 1999GoodVery GoodVery GoodGood83791.7
August 1997GoodVery GoodVery GoodGood83791.7
August 1995GoodVery GoodVery GoodGood107891.2
July 1993GoodVery GoodVery GoodGood299581.7
September 1991GoodVery GoodVery GoodVery Good311681.7

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Substructure
Timber Abutmentlinear ft.92046460
Steel Abutmentlinear ft.4848000
Timber Pileeach2002000
Reinforced Concrete Pier Caplinear ft.9694020
Joints
Pourable Jointlinear ft.160001600
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.152152000
Steel Protective Coatingsq. ft.760760000
Deck
Reinforced Concrete Slabsq. ft.2,3262,326000
Wearing Surfacessq. ft.2,09002,09000