Share:

US0171 over BOGGY BAYOU

Map 

Coordinates:
+32.37661, -93.82120
32°22'36" N, 93°49'16" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

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 2016 

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]
Evaluation:Structurally deficient [1]
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. ratingEvaluationDeckSuper.Sub.ADT
January 201635.8Structurally deficientPoorPoorPoor7560
January 201536.0Structurally deficientPoorPoorPoor21300
January 201436.0Structurally deficientPoorPoorPoor20820
January 201336.0Structurally deficientPoorPoorPoor20400
January 201255.0Functionally obsoleteSatisfactoryFairSatisfactory19980
January 201155.0Functionally obsoleteSatisfactoryFairSatisfactory19500
February 201055.0Functionally obsoleteSatisfactoryFairSatisfactory18540
January 200866.0Functionally obsoleteGoodSatisfactorySatisfactory20040
January 200667.5Functionally obsoleteGoodSatisfactorySatisfactory17340
January 200467.8Functionally obsoleteGoodSatisfactorySatisfactory16800
March 200265.0Functionally obsoleteGoodSatisfactorySatisfactory14032
February 200063.8Functionally obsoleteGoodSatisfactorySatisfactory15769
January 199863.8Functionally obsoleteGoodSatisfactorySatisfactory15769
April 199663.6Functionally obsoleteGoodSatisfactorySatisfactory15927
February 199663.4Functionally obsoleteGoodSatisfactoryGood15961
January 199467.9Functionally obsoleteGoodSatisfactoryGood9733
February 199266.7Functionally obsoleteSatisfactorySatisfactoryGood9998