LA0946 over ROBERTS CANAL

Map 

Facts 

Name:	LA0946 over ROBERTS CANAL
Structure number:	611708170801041
Location:	5.46M NORTH OF LA 37
Purpose:	Carries highway over waterway
Route classification:	Minor Arterial (Urban) [16]
Length of largest span:	20.0 ft. [6.1 m]
Total length:	160.1 ft. [48.8 m]
Roadway width between curbs:	82.0 ft. [25.0 m]
Deck width edge-to-edge:	84.6 ft. [25.8 m]
Skew angle:	2°
Owner:	State Highway Agency [01]
Year built:	1992
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:	8
Main spans material:	Concrete [1]
Main spans design:	Slab [01]
Deck type:	Concrete Cast-in-Place [1]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	14,500 [as of 2009]
Deck condition:	Very Good [8 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Good [7 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:	74.2 tons [67.5 metric tons]
Inventory rating:	44.6 tons [40.5 metric tons]
Sufficiency rating:	80.0

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	10,020 [as of 1995]
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:	Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Operating rating:	65.3 tons [59.4 metric tons]
Inventory rating:	39.6 tons [36.0 metric tons]
Sufficiency rating:	80.0

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	9,111 [as of 1991]
Truck traffic:	8% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Very Good [8 out of 9]
Substructure condition:	Very Good [8 out of 9]
Channel protection:	Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:	Scour calculation/evaluation has not been made. [6]
Operating rating:	38.6 tons [35.1 metric tons]
Inventory rating:	22.8 tons [20.7 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	63.6
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$585,000

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