LA0585 over BAYOU


+32.99699, -91.30410
32°59'49" N, 91°18'15" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0585 over BAYOU
Structure number:056203320400621
Location:.6 MI EAST OF LA 17
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:19.0 ft. [5.8 m]
Total length:57.1 ft. [17.4 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:31.2 ft. [9.5 m]
Owner:State Highway Agency [01]
Year built:1977
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:3
Main spans material:Concrete [1]
Main spans design:Slab [01]
Deck type:Concrete Precast Panels [2]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: January 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:460 [as of 2015]
Truck traffic:4% 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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:93.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
January 2017FairSatisfactorySatisfactorySatisfactory46093.9
January 2015FairSatisfactorySatisfactorySatisfactory46093.9
February 2013FairSatisfactorySatisfactorySatisfactory49093.9
February 2011FairSatisfactorySatisfactorySatisfactory46093.9
February 2009FairSatisfactorySatisfactorySatisfactory54093.9
February 2007FairSatisfactorySatisfactorySatisfactory50093.9
July 2004FairSatisfactorySatisfactorySatisfactory52093.9
April 2002FairSatisfactorySatisfactorySatisfactory62093.8
March 2000FairSatisfactorySatisfactorySatisfactory50393.9
March 1998FairSatisfactoryGoodGood50393.9
December 1995FairSatisfactoryGoodGood70693.8
October 1993FairSatisfactoryGoodGood56891.9
November 1991FairSatisfactoryGoodGood60491.9

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Timber Abutmentlinear ft.6464000
Timber Pileeach1917200
Prestressed Concrete Pier Caplinear ft.136136000
Pourable Jointlinear ft.6258400
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.114114000
Steel Protective Coatingsq. ft.570570000
Reinforced Concrete Slabsq. ft.1,6531,652010