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I0020 over BAYOU LAFOURCHE

Map

Coordinates:
+32.48388, -91.93170
32°29'02" N, 91°55'54" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I0020 over BAYOU LAFOURCHE
Structure number:054204510700271
Location:4.0 MI WEST OF LA 133
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:60.0 ft. [18.3 m]
Total length:542.0 ft. [165.2 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:42.7 ft. [13.0 m]
Skew angle:24°
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:9
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
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: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: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 is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:96.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2017FairSatisfactoryGoodGood1820096.3
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 1996GoodGoodGoodGood1223796.9
June 1994GoodVery GoodGoodGood1352597.0
June 1992FairGoodSatisfactorySatisfactory960097.3
July 1990FairSatisfactorySatisfactorySatisfactory960097.3

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.3,2523,252000
Deck
Reinforced Concrete Decksq. ft.21,60014,4003,6003,6000
Substructure
Reinforced Concrete Abutmentlinear ft.112112000
Prestressed Concrete Pileeach56282800
Reinforced Concrete Pier Caplinear ft.37626611000
Joints
Strip Seal Jointlinear ft.400400000
Bearings
Elastomeric Bearingeach9696000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,0801,080000