LA0408 over BAYOU


+30.52119, -91.16424
30°31'16" N, 91°09'51" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:LA0408 over BAYOU
Structure number:611702550101901
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:51.8 ft. [15.8 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 2014 

Status:Open, no restriction [A]
Average daily traffic:14,700 [as of 2014]
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]
Operating rating:59.4 tons [54.0 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:77.8

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201477.8Not deficientGoodGoodSatisfactory14700
October 201275.9Not deficientGoodGoodSatisfactory20200
November 201074.6Not deficientGoodGoodVery Good24000
November 200874.7Not deficientVery Good-Very Good23600
November 200673.3Not deficientVery GoodVery GoodGood24900
November 200474.2Not deficientVery GoodVery GoodVery Good22100
November 200274.4Not deficientVery GoodVery GoodVery Good21700
November 200075.8Not deficientVery GoodVery GoodVery Good17747
November 199876.2Not deficientVery GoodVery GoodVery Good16623
November 199676.2Not deficientVery GoodVery GoodVery Good16623
November 199475.5Not deficientVery GoodVery GoodVery Good17270
November 199274.4Not deficientVery GoodVery GoodVery Good20243
November 199074.4Not deficientVery GoodVery GoodVery Good20243