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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 

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. ratingEvaluationDeckSuper.Sub.ADT
January 201696.8Not deficientSatisfactoryGoodGood4300
January 201494.8Not deficientSatisfactoryGoodGood7900
February 201295.9Not deficientGoodGoodGood7400
February 201096.1Not deficientVery GoodVery GoodVery Good6900
June 200896.3Not deficientVery GoodVery GoodVery Good5900
February 200896.4Not deficientVery GoodVery GoodVery Good5800
January 200696.5Not deficientVery GoodVery GoodVery Good5300
January 200496.6Not deficientVery GoodVery GoodVery Good5100
February 200296.6Not deficientVery GoodVery GoodVery Good5100
January 200098.7Not deficientVery GoodVery GoodVery Good4528
February 199898.7Not deficientVery GoodVery GoodVery Good4528
March 199698.7Not deficientVery GoodVery GoodVery Good4587
May 199498.7Not deficientVery GoodVery GoodVery Good4497
March 199398.8Not deficientVery GoodVery GoodVery Good4089
July 199198.8Not deficientVery GoodVery GoodVery Good4089