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: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]
Operating rating:59.8 tons [54.4 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:78.2

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201678.2FairGoodGoodSatisfactory-13800
September 201477.8FairGoodGoodSatisfactory-14700
October 201275.9FairGoodGoodSatisfactory-20200
November 201074.6GoodGoodGoodVery Good-24000
November 200874.7GoodVery Good-Very Good-23600
November 200673.3GoodVery GoodVery GoodGood-24900
November 200474.2GoodVery GoodVery GoodVery Good-22100
November 200274.4GoodVery GoodVery GoodVery Good-21700
November 200075.8GoodVery GoodVery GoodVery Good-17747
November 199876.2GoodVery GoodVery GoodVery Good-16623
November 199676.2GoodVery GoodVery GoodVery Good-16623
November 199475.5GoodVery GoodVery GoodVery Good-17270
November 199274.4GoodVery GoodVery GoodVery Good-20243
November 199074.4GoodVery GoodVery GoodVery Good-20243