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US0071 over TWELVE MILE BAYOU

Map

Coordinates:
+32.60654, -93.81024
32°36'24" N, 93°48'37" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:US0071 over TWELVE MILE BAYOU
Structure number:040900110202281
Location:1.38 M NORTH OF LA 538
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:94.2 ft. [28.7 m]
Total length:472.1 ft. [143.9 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:46.9 ft. [14.3 m]
Owner:State Highway Agency [01]
Year built:1991
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:5
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: January 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:4,300 [as of 2015]
Truck traffic:21% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Better than present minimum criteria [7]
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:Countermeasures have been installed to mitigate an existing problem with scour. [7]
Operating rating:74.2 tons [67.5 metric tons]
Inventory rating:37.6 tons [34.2 metric tons]
Sufficiency rating:96.8

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
January 201696.8FairSatisfactoryGoodGood-4300
January 201494.8FairSatisfactoryGoodGood-7900
February 201295.9GoodGoodGoodGood-7400
February 201096.1GoodVery GoodVery GoodVery Good-6900
June 200896.3GoodVery GoodVery GoodVery Good-5900
February 200896.4GoodVery GoodVery GoodVery Good-5800
January 200696.5GoodVery GoodVery GoodVery Good-5300
January 200496.6GoodVery GoodVery GoodVery Good-5100
February 200296.6GoodVery GoodVery GoodVery Good-5100
January 200098.7GoodVery GoodVery GoodVery Good-4528
February 199898.7GoodVery GoodVery GoodVery Good-4528
March 199698.7GoodVery GoodVery GoodVery Good-4587
May 199498.7GoodVery GoodVery GoodVery Good-4497
March 199398.8GoodVery GoodVery GoodVery Good-4089
July 199198.8GoodVery GoodVery GoodVery Good-4089