+31.57220, -92.74040
31°34'20" N, 92°44'25" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US0071 over BAYOU GRAPPE
Structure number:082200090302271
Location:.5 MI NORTH OF LA 471
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:30.8 ft. [9.4 m]
Total length:96.1 ft. [29.3 m]
Roadway width between curbs:23.0 ft. [7.0 m]
Deck width edge-to-edge:27.6 ft. [8.4 m]
Owner:State Highway Agency [01]
Year built:1931
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Number of main spans:3
Main spans material:Concrete [1]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: July 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:2,800 [as of 2016]
Truck traffic:15% 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 replacement [2]
Water adequacy appraisal:Equal to present minimum criteria [6]
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]
Sufficiency rating:77.5
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$478,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2018FairSatisfactorySatisfactorySatisfactory280077.5
August 2016FairSatisfactorySatisfactorySatisfactory280077.5
September 2015FairSatisfactorySatisfactoryFair280065.7
September 2014FairSatisfactorySatisfactoryFair280065.7
July 2012FairSatisfactorySatisfactoryFair280065.7
July 2011FairSatisfactorySatisfactoryFair280065.7
July 2010PoorFairSatisfactoryPoor290046.6
June 2008FairGoodSatisfactorySatisfactory290077.3
June 2007PoorFairSatisfactoryPoor300045.2
July 2006PoorFairSatisfactoryPoor300045.2
July 2005PoorFairPoorPoor300045.2
July 2004PoorPoorPoorPoor270043.6
September 2003PoorPoorPoorPoor270043.6
July 2002PoorPoorPoorPoor260031.1
August 2001PoorPoorPoorPoor239431.8
July 2000PoorPoorPoorPoor239429.8
September 1999PoorPoorPoorPoor258729.2
August 1998PoorPoorPoorPoor258729.2
November 1997PoorPoorPoorPoor258729.2
July 1996PoorPoorPoorPoor258729.2
August 1995PoorPoorPoorPoor339426.6
September 1994PoorPoorPoorPoor336026.7
October 1993PoorPoorPoorPoor250329.5
September 1992PoorPoorPoorPoor265927.6
October 1990PoorPoorPoorPoor265930.3

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Girder/Beamlinear ft.480477300
Reinforced Concrete Top Flangesq. ft.2,5922,5722000
Wearing Surfacessq. ft.2,4962,496000
Reinforced Concrete Abutmentlinear ft.8278400
Reinforced Concrete Pileeach1000100
Reinforced Concrete Pier Caplinear ft.5454000
Pourable Jointlinear ft.104104000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.1929201000
Steel Protective Coatingsq. ft.960960000