+32.37661, -93.82120
32°22'36" N, 93°49'16" 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 2017

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:7,560 [as of 2015]
Truck traffic:6% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
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]
Operating rating:39.9 tons [36.3 metric tons]
Inventory rating:30.7 tons [27.9 metric tons]
Sufficiency rating:35.8
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 201735.8PoorPoorPoorPoorSD7560
January 201635.8PoorPoorPoorPoorSD7560
January 201536.0PoorPoorPoorPoorSD21300
January 201436.0PoorPoorPoorPoorSD20820
January 201336.0PoorPoorPoorPoorSD20400
January 201255.0FairSatisfactoryFairSatisfactoryFO19980
January 201155.0FairSatisfactoryFairSatisfactoryFO19500
February 201055.0FairSatisfactoryFairSatisfactoryFO18540
January 200866.0FairGoodSatisfactorySatisfactoryFO20040
January 200667.5FairGoodSatisfactorySatisfactoryFO17340
January 200467.8FairGoodSatisfactorySatisfactoryFO16800
March 200265.0FairGoodSatisfactorySatisfactoryFO14032
February 200063.8FairGoodSatisfactorySatisfactoryFO15769
January 199863.8FairGoodSatisfactorySatisfactoryFO15769
April 199663.6FairGoodSatisfactorySatisfactoryFO15927
February 199663.4FairGoodSatisfactoryGoodFO15961
January 199467.9FairGoodSatisfactoryGoodFO9733
February 199266.7FairSatisfactorySatisfactoryGoodFO9998