+32.37697, -93.82130
32°22'37" N, 93°49'17" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US0171 over BOGGY BAYOU
Structure number:040900250805442
Location:6.44 MI NORTH OF LA 3276
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:29.9 ft. [9.1 m]
Total length:270.0 ft. [82.3 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:33.5 ft. [10.2 m]
Owner:State Highway Agency [01]
Year built:1953
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:9
Main spans material:Concrete [1]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: January 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:6,450 [as of 2016]
Truck traffic:6% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 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:Basically intolerable requiring high priority of corrrective action [3]
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:Countermeasures have been installed to mitigate an existing problem with scour. [7]
Sufficiency rating:57.3
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,170,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
January 2018FairFairFairFair645057.3
January 2017PoorPoorPoorPoor756035.8
January 2016PoorPoorPoorPoor756035.8
January 2015PoorPoorPoorPoor2130036.0
January 2014PoorPoorPoorPoor2082036.0
January 2013PoorPoorPoorPoor2040036.0
January 2012FairSatisfactoryFairSatisfactory1998055.0
January 2011FairSatisfactoryFairSatisfactory1950055.0
February 2010FairSatisfactoryFairSatisfactory1854055.0
January 2008FairGoodSatisfactorySatisfactory2004066.0
January 2006FairGoodSatisfactorySatisfactory1734067.5
January 2004FairGoodSatisfactorySatisfactory1680067.8
March 2002FairGoodSatisfactorySatisfactory1403265.0
February 2000FairGoodSatisfactorySatisfactory1576963.8
January 1998FairGoodSatisfactorySatisfactory1576963.8
April 1996FairGoodSatisfactorySatisfactory1592763.6
February 1996FairGoodSatisfactoryGood1596163.4
January 1994FairGoodSatisfactoryGood973367.9
February 1992FairSatisfactorySatisfactoryGood999866.7

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Girder/Beamlinear ft.1,35001,35000
Reinforced Concrete Top Flangesq. ft.7,56007,3062540
Reinforced Concrete Abutmentlinear ft.8989000
Steel Pileeach22000
Reinforced Concrete Pileeach56114401
Steel Pier Caplinear ft.55000
Reinforced Concrete Pier Caplinear ft.1968210770
Compression Jointlinear ft.56371900
Open Jointlinear ft.2245816600
Movable Bearingeach3535000
Steel Protective Coatingsq. ft.5353000
Fixed Bearingeach3535000
Steel Protective Coatingsq. ft.5353000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.540534600