+32.37618, -93.82140
32°22'34" N, 93°49'17" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US0171 over BOGGY BAYOU
Structure number:040900250805441
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:28.2 ft. [8.6 m]
Deck width edge-to-edge:33.5 ft. [10.2 m]
Owner:State Highway Agency [01]
Year built:1967
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:Slab [01]
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: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: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:73.7
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,170,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
January 2018FairSatisfactorySatisfactorySatisfactory645073.7
January 2016FairSatisfactorySatisfactorySatisfactory756074.0
January 2014FairSatisfactorySatisfactorySatisfactory2130065.0
February 2012FairSatisfactorySatisfactorySatisfactory1998066.0
February 2010FairSatisfactorySatisfactorySatisfactory1854066.7
January 2008FairGoodGoodSatisfactory2004066.0
January 2006FairGoodGoodSatisfactory1734067.5
January 2004FairGoodGoodSatisfactory1680067.8
March 2002FairGoodGoodSatisfactory1403269.7
February 2000FairGoodGoodSatisfactory1576968.5
January 1998FairGoodGoodSatisfactory1576968.5
April 1996FairGoodGoodSatisfactory1592768.4
February 1996GoodGoodGoodGood1596168.2
January 1994FairGoodGoodSatisfactory973372.4
February 1992FairGoodGoodSatisfactory999871.2

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Abutmentlinear ft.77641210
Prestressed Concrete Pileeach48183000
Reinforced Concrete Pier Caplinear ft.2562340220
Pourable Jointlinear ft.290029000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.540540000
Reinforced Concrete Slabsq. ft.7,83007,82640