Share:

US0171 over BOGGY BAYOU

Map 

Coordinates:
+32.37671, -93.82138
32°22'36" N, 93°49'17" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

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 

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]
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:$1,170,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
January 201674.0Functionally obsoleteSatisfactorySatisfactorySatisfactory7560
January 201465.0Functionally obsoleteSatisfactorySatisfactorySatisfactory21300
February 201266.0Functionally obsoleteSatisfactorySatisfactorySatisfactory19980
February 201066.7Functionally obsoleteSatisfactorySatisfactorySatisfactory18540
January 200866.0Functionally obsoleteGoodGoodSatisfactory20040
January 200667.5Functionally obsoleteGoodGoodSatisfactory17340
January 200467.8Functionally obsoleteGoodGoodSatisfactory16800
March 200269.7Functionally obsoleteGoodGoodSatisfactory14032
February 200068.5Functionally obsoleteGoodGoodSatisfactory15769
January 199868.5Functionally obsoleteGoodGoodSatisfactory15769
April 199668.4Functionally obsoleteGoodGoodSatisfactory15927
February 199668.2Functionally obsoleteGoodGoodGood15961
January 199472.4Functionally obsoleteGoodGoodSatisfactory9733
February 199271.2Functionally obsoleteGoodGoodSatisfactory9998