I0220 over SWAN LAKE ROAD

Map 

Facts 

Name:	I0220 over SWAN LAKE ROAD
Structure number:	040804513105611
Location:	1.9 MI EAST OF LA 3105
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	67.9 ft. [20.7 m]
Total length:	240.2 ft. [73.2 m]
Roadway width between curbs:	39.7 ft. [12.1 m]
Deck width edge-to-edge:	42.7 ft. [13.0 m]
Vertical clearance below bridge:	17.1 ft. [5.2 m]
Skew angle:	73°
Owner:	State Highway Agency [01]
Year built:	1978
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:	4
Main spans material:	Prestressed concrete [5]
Main spans design:	Stringer/Multi-beam or girder [02]
Deck type:	Concrete Cast-in-Place [1]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	17,760 [as of 2009]
Truck traffic:	29% 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]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	77.2 tons [70.2 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	98.0

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	7,625 [as of 1998]
Truck traffic:	29% 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]
Operating rating:	64.4 tons [58.5 metric tons]
Inventory rating:	38.6 tons [35.1 metric tons]
Sufficiency rating:	98.0

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	7,665 [as of 1991]
Truck traffic:	29% of total traffic
Deck condition:	Very Good [8 out of 9]
Superstructure condition:	Very Good [8 out of 9]
Substructure condition:	Good [7 out of 9]
Channel protection:	Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Operating rating:	64.4 tons [58.5 metric tons]
Inventory rating:	38.6 tons [35.1 metric tons]
Sufficiency rating:	98.0

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