LA0408 over BLACKWATER BAYOU

Map 

Facts 

Name:	LA0408 over BLACKWATER BAYOU
Structure number:	611702550203932
Location:	61172550203932
Purpose:	Carries highway over waterway
Route classification:	Minor Arterial (Urban) [16]
Length of largest span:	49.9 ft. [15.2 m]
Total length:	149.9 ft. [45.7 m]
Roadway width between curbs:	34.1 ft. [10.4 m]
Deck width edge-to-edge:	46.6 ft. [14.2 m]
Owner:	State Highway Agency [01]
Year built:	1984
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:	3
Main spans material:	Prestressed concrete [5]
Main spans design:	Stringer/Multi-beam or girder [02]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) [1]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	11,520 [as of 2009]
Truck traffic:	9% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Very Good [8 out of 9]
Substructure condition:	Very Good [8 out of 9]
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:	75.2 tons [68.4 metric tons]
Inventory rating:	44.6 tons [40.5 metric tons]
Sufficiency rating:	91.2

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	10,261 [as of 1995]
Truck traffic:	9% of total traffic
Deck condition:	Very Good [8 out of 9]
Superstructure condition:	Very Good [8 out of 9]
Substructure condition:	Very Good [8 out of 9]
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:	43.6 tons [39.6 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	91.4

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	8,643 [as of 1991]
Truck traffic:	9% of total traffic
Deck condition:	Very Good [8 out of 9]
Superstructure condition:	Very Good [8 out of 9]
Substructure condition:	Very Good [8 out of 9]
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:	43.6 tons [39.6 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	91.6

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