LA0408 over BAYOU


+30.52126, -91.15940
30°31'17" N, 91°09'34" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0408 over BAYOU
Structure number:611702550101901
Location:0.1 M E of I-110&LA 408
Purpose:Carries highway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:26.9 ft. [8.2 m]
Total length:112.9 ft. [34.4 m]
Roadway width between curbs:52.2 ft. [15.9 m]
Deck width edge-to-edge:84.3 ft. [25.7 m]
Owner:State Highway Agency [01]
Year built:1976
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: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: September 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:13,800 [as of 2015]
Truck traffic:8% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
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:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:78.2

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2016FairGoodGoodSatisfactory1380078.2
September 2014FairGoodGoodSatisfactory1470077.8
October 2012FairGoodGoodSatisfactory2020075.9
November 2010GoodGoodGoodVery Good2400074.6
November 2008GoodVery Good-Very Good2360074.7
November 2006GoodVery GoodVery GoodGood2490073.3
November 2004GoodVery GoodVery GoodVery Good2210074.2
November 2002GoodVery GoodVery GoodVery Good2170074.4
November 2000GoodVery GoodVery GoodVery Good1774775.8
November 1998GoodVery GoodVery GoodVery Good1662376.2
November 1996GoodVery GoodVery GoodVery Good1662376.2
November 1994GoodVery GoodVery GoodVery Good1727075.5
November 1992GoodVery GoodVery GoodVery Good2024374.4
November 1990GoodVery GoodVery GoodVery Good2024374.4

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Reinforced Concrete Abutmentlinear ft.210210000
Reinforced Concrete Pileeach4040000
Reinforced Concrete Pier Caplinear ft.340337030
Pourable Jointlinear ft.510005100
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.210210000
Reinforced Concrete Slabsq. ft.8,9258,701142100