+32.37671, -93.82138
32°22'36" 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 2016 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:7,560 [as of 2015]
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:Superior to present desirable criteria [9]
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]
Operating rating:73.3 tons [66.6 metric tons]
Inventory rating:43.6 tons [39.6 metric tons]
Sufficiency rating:74.0
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 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
January 201674.0FairSatisfactorySatisfactorySatisfactoryFO7560
January 201465.0FairSatisfactorySatisfactorySatisfactoryFO21300
February 201266.0FairSatisfactorySatisfactorySatisfactoryFO19980
February 201066.7FairSatisfactorySatisfactorySatisfactoryFO18540
January 200866.0FairGoodGoodSatisfactoryFO20040
January 200667.5FairGoodGoodSatisfactoryFO17340
January 200467.8FairGoodGoodSatisfactoryFO16800
March 200269.7FairGoodGoodSatisfactoryFO14032
February 200068.5FairGoodGoodSatisfactoryFO15769
January 199868.5FairGoodGoodSatisfactoryFO15769
April 199668.4FairGoodGoodSatisfactoryFO15927
February 199668.2GoodGoodGoodGoodFO15961
January 199472.4FairGoodGoodSatisfactoryFO9733
February 199271.2FairGoodGoodSatisfactoryFO9998