+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:040900250804862
Location:5.86 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:210.0 ft. [64.0 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:7
Main spans material:Concrete [1]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: January 2016 

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:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:81.2 tons [73.8 metric tons]
Inventory rating:48.5 tons [44.1 metric tons]
Evaluation:Functionally obsolete [2]
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:$936,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
January 201674.0Functionally obsoleteSatisfactorySatisfactorySatisfactory7560
January 201473.4Functionally obsoleteSatisfactorySatisfactorySatisfactory8400
February 201273.8Functionally obsoleteSatisfactorySatisfactorySatisfactory7800
February 201074.1Functionally obsoleteSatisfactorySatisfactorySatisfactory7320
January 200875.3Functionally obsoleteGoodSatisfactorySatisfactory5580
January 200675.6Functionally obsoleteGoodSatisfactorySatisfactory5160
January 200475.6Functionally obsoleteGoodSatisfactorySatisfactory5100
March 200271.1Functionally obsoleteGoodSatisfactorySatisfactory5341
February 200071.3Functionally obsoleteGoodSatisfactorySatisfactory5049
January 199871.3Functionally obsoleteGoodSatisfactorySatisfactory5049
February 199671.4Functionally obsoleteGoodSatisfactorySatisfactory4902
January 199471.6Functionally obsoleteGoodSatisfactorySatisfactory4643
February 199270.4Functionally obsoleteGoodSatisfactorySatisfactory4813