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LA0515 over COUSHATTA BAYOU

Map

Coordinates:
+32.11868, -93.40270
32°07'07" N, 93°24'10" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0515 over COUSHATTA BAYOU
Structure number:044103020101061
Location:1.06 MI NORTH OF US 71
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:19.0 ft. [5.8 m]
Total length:286.1 ft. [87.2 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:1975
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:15
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:Poor
Status:Open, no restriction [A]
Average daily traffic:560 [as of 2016]
Truck traffic:20% of total traffic
Deck condition:Serious [3 out of 9]
Superstructure condition:Serious [3 out of 9]
Substructure condition:Serious [3 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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 with "unknown" foundation that has not been evaluated for scour. [U]
Sufficiency rating:49.7
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,231,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2018PoorSeriousSeriousSerious56049.7
June 2017PoorSeriousSeriousSerious58049.7
June 2015PoorPoorPoorSerious58049.7
August 2014PoorPoorPoorSerious56048.7
June 2013PoorPoorPoorSerious37049.8
June 2012PoorFairFairSerious36051.8
June 2011PoorFairFairSerious35053.8
July 2010PoorFairFairSerious32053.8
June 2009PoorFairSatisfactorySerious31053.9
July 2008PoorFairSatisfactorySerious29053.9
August 2007PoorSatisfactorySatisfactorySerious27054.9
June 2006PoorSatisfactorySatisfactorySerious27054.9
June 2005PoorSatisfactorySatisfactorySerious27054.9
June 2004FairSatisfactorySatisfactoryFair15488.0
July 2003FairSatisfactorySatisfactoryFair15488.0
July 2002FairSatisfactorySatisfactoryFair15488.0
August 2001FairSatisfactorySatisfactoryFair29087.9
July 2000FairSatisfactorySatisfactoryFair29087.9
July 1999FairSatisfactorySatisfactoryFair21287.9
November 1998FairSatisfactorySatisfactoryFair21287.9
August 1997FairSatisfactorySatisfactoryFair21287.9
September 1996PoorSatisfactorySatisfactorySerious21254.9
August 1995PoorSatisfactorySatisfactorySerious28754.9
September 1994PoorGoodGoodSerious27654.9
July 1992GoodGoodGoodGood177390.8
July 1990GoodGoodGoodGood177391.8

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Substructure
Timber Columneach22000
Timber Abutmentlinear ft.83592400
Steel Abutmentlinear ft.1212000
Steel Pileeach5656000
Timber Pileeach700411910
Steel Pier Caplinear ft.143143000
Reinforced Concrete Pier Caplinear ft.448439630
Joints
Pourable Jointlinear ft.456004560
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.570057000
Steel Protective Coatingsq. ft.1,8811,881000
Deck
Reinforced Concrete Slabsq. ft.8,5808,1452941410
Wearing Surfacessq. ft.7,7225,4452,27160