LA0408 over BAYOU


+30.52107, -91.16412
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:611702550101601
Purpose:Carries highway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:29.9 ft. [9.1 m]
Total length:117.1 ft. [35.7 m]
Roadway width between curbs:51.8 ft. [15.8 m]
Deck width edge-to-edge:84.3 ft. [25.7 m]
Skew angle:45°
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:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
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: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 foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:54.5 tons [49.5 metric tons]
Inventory rating:32.7 tons [29.7 metric tons]
Sufficiency rating:76.3

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201476.3Not deficientGoodGoodGood14700
October 201274.3Not deficientGoodGoodGood20200
November 201072.9Not deficientGoodGoodVery Good24000
November 200873.1Not deficientGood-Very Good23600
November 200669.6Not deficientGoodVery GoodVery Good24900
November 200470.6Not deficientGoodVery GoodVery Good22100
November 200270.9Not deficientGoodVery GoodVery Good21300
November 200072.2Not deficientGoodVery GoodVery Good17747
November 199872.6Not deficientVery GoodVery GoodVery Good16623
November 199674.6Not deficientVery GoodVery GoodVery Good16623
November 199473.9Not deficientVery GoodVery GoodVery Good17270
November 199272.8Not deficientVery GoodVery GoodVery Good20243
November 199072.8Not deficientVery GoodVery GoodVery Good20243