LA0417 over CLAY BAYOU


+30.84284, -91.73060
30°50'34" N, 91°43'50" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0417 over CLAY BAYOU
Structure number:613902233005341
Location:1.16 M W of LA 418
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:27.9 ft. [8.5 m]
Total length:86.0 ft. [26.2 m]
Roadway width between curbs:20.0 ft. [6.1 m]
Deck width edge-to-edge:25.3 ft. [7.7 m]
Owner:State Highway Agency [01]
Year built:1948
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:3
Main spans material:Concrete [1]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: February 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:320 [as of 2015]
Truck traffic:11% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 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:Equal to present desirable criteria [8]
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]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:71.1

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
February 2017FairSatisfactoryGoodGood32071.1
February 2015FairSatisfactoryGoodGood32070.8
February 2013FairSatisfactoryGoodGood30070.8
February 2011FairSatisfactoryGoodGood30071.8
February 2009FairSatisfactoryGoodGood30072.8
January 2008GoodGoodVery GoodGood36070.8
January 2007GoodGoodVery GoodGood35070.8
January 2006GoodGoodVery GoodGood35070.8
January 2004GoodGoodVery GoodGood38063.9
January 2003GoodGoodVery GoodGood37063.9
January 2001GoodGoodVery GoodGood35860.7
January 1999GoodGoodVery GoodGood28060.8
January 1997GoodVery GoodVery GoodGood28062.8
January 1995GoodVery GoodVery GoodGood22362.9
January 1993GoodVery GoodVery GoodGood14763.0
January 1991GoodVery GoodVery GoodGood14763.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Girder/Beamlinear ft.3363221400
Reinforced Concrete Decksq. ft.1,9201,73718030
Wearing Surfacessq. ft.1,3441,2720720
Reinforced Concrete Abutmentlinear ft.72528120
Prestressed Concrete Pileeach80800
Reinforced Concrete Pier Caplinear ft.4848000
Pourable Jointlinear ft.8000800
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.112056560
Steel Protective Coatingsq. ft.560560000