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I0020 over OLD B LAFOURCHE

Map

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

Facts

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.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Substructure
Reinforced Concrete Abutmentlinear ft.9287050
Prestressed Concrete Pileeach25101500
Reinforced Concrete Pier Caplinear ft.215214010
Joints
Pourable Jointlinear ft.2802200600
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.3002257500
Deck
Reinforced Concrete Slabsq. ft.6,0004,6501501,2000