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US0171 over BUCHANAN BAYOU

Map 

Coordinates:
+32.35721, -93.82811
32°21'26" N, 93°49'41" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:US0171 over BUCHANAN BAYOU
Structure number:040900250804051
Location:5.05 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:120.1 ft. [36.6 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:4
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: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:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:73.3 tons [66.6 metric tons]
Inventory rating:43.6 tons [39.6 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:78.1
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$585,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
January 201678.1Functionally obsoleteSatisfactorySatisfactorySatisfactory7560
January 201478.0Functionally obsoleteSatisfactorySatisfactorySatisfactory8400
February 201278.1Functionally obsoleteGoodGoodGood7800
February 201078.1Functionally obsoleteGoodGoodGood7320
January 200878.3Functionally obsoleteGoodGoodGood5580
January 200678.4Functionally obsoleteGoodGoodGood5160
January 200478.4Functionally obsoleteGoodGoodGood5100
March 200278.4Functionally obsoleteGoodGoodGood5341
February 200078.4Functionally obsoleteGoodGoodGood5049
January 199878.4Functionally obsoleteGoodGoodGood5049
February 199678.5Functionally obsoleteGoodGoodGood4902
January 199478.6Functionally obsoleteGoodGoodGood4643
February 199277.5Functionally obsoleteGoodGoodGood4813