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US0171 over BUCHANAN BAYOU

Map 

Coordinates:
+32.35725, -93.82831
32°21'26" N, 93°49'42" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:US0171 over BUCHANAN BAYOU
Structure number:040900250804052
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: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:4
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:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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 protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:33.1 tons [30.1 metric tons]
Inventory rating:25.6 tons [23.3 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:56.7
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 201656.7Functionally obsoleteFairFairFair7560
January 201565.8Functionally obsoleteFairFairFair8400
January 201465.8Functionally obsoleteFairFairFair8160
January 201365.8Functionally obsoleteFairFairFair7920
January 201266.9Functionally obsoleteSatisfactoryFairSatisfactory7800
January 201166.9Functionally obsoleteSatisfactoryFairSatisfactory7560
February 201066.9Functionally obsoleteSatisfactoryFairSatisfactory7320
January 200878.3Functionally obsoleteSatisfactorySatisfactoryGood5580
January 200678.4Functionally obsoleteSatisfactorySatisfactoryGood5160
January 200478.4Functionally obsoleteSatisfactorySatisfactoryGood5100
March 200264.2Functionally obsoleteSatisfactorySatisfactoryGood5341
February 200064.2Functionally obsoleteSatisfactorySatisfactoryGood5049
January 199864.2Functionally obsoleteSatisfactorySatisfactoryGood5049
February 199664.4Functionally obsoleteSatisfactorySatisfactoryGood4902
January 199464.4Functionally obsoleteGoodSatisfactoryGood4643
February 199263.4Functionally obsoleteGoodSatisfactoryGood4813