+32.48409, -91.93430
32°29'03" N, 91°56'03" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I0020 over OLD B LAFOURCHE
Structure number:054204510700081
Location:4.2 MI WEST OF LA 133
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:24.9 ft. [7.6 m]
Total length:149.9 ft. [45.7 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:42.0 ft. [12.8 m]
Owner:State Highway Agency [01]
Year built:1968
Year reconstructed: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:6
Main spans material:Concrete [1]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: October 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:18,200 [as of 2016]
Truck traffic:25% 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:Better than present minimum criteria [7]
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 assessed or calculated scour condition. [5]
Sufficiency rating:96.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2017FairSatisfactorySatisfactorySatisfactory1820096.3
October 2015GoodGoodGoodGood1968096.2
November 2013GoodGoodGoodGood1938096.2
November 2011GoodGoodGoodGood1554096.5
October 2009GoodGoodGoodGood1806096.3
September 2007GoodGoodGoodGood1752096.4
August 2005GoodGoodGoodGood1884096.2
February 2003GoodGoodGoodGood1692096.4
June 2000GoodGoodGoodGood1509796.6
June 1998GoodGoodGoodGood1509796.6
July 1996GoodVery GoodGoodGood1223796.9
June 1994GoodVery GoodGoodGood1352597.0
June 1992FairGoodGoodSatisfactory960097.3
July 1990FairSatisfactorySatisfactorySatisfactory960097.3

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Abutmentlinear ft.9287050
Prestressed Concrete Pileeach25101500
Reinforced Concrete Pier Caplinear ft.215214010
Pourable Jointlinear ft.2802200600
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.3002257500
Reinforced Concrete Slabsq. ft.6,0004,6501501,2000