I0020 over LOUISIANA AVE

Map 

Facts 

Name:	I0020 over LOUISIANA AVE
Structure number:	040904510118842
Location:	.07 MI WEST OF LA 1
Purpose:	Carries highway overpass over highway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	78.1 ft. [23.8 m]
Total length:	188.0 ft. [57.3 m]
Roadway width between curbs:	63.3 ft. [19.3 m]
Deck width edge-to-edge:	79.1 ft. [24.1 m]
Vertical clearance below bridge:	18.0 ft. [5.5 m]
Skew angle:	62°
Owner:	State Highway Agency [01]
Year built:	1965
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:	Concrete continuous [2]
Main spans design:	Tee beam [04]
Deck type:	Concrete Cast-in-Place [1]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	61,680 [as of 2009]
Truck traffic:	29% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Satisfactory [6 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 not over waterway. [N]
Operating rating:	64.4 tons [58.5 metric tons]
Inventory rating:	38.6 tons [35.1 metric tons]
Sufficiency rating:	98.0

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	48,601 [as of 1997]
Truck traffic:	29% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Satisfactory [6 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]
Operating rating:	43.6 tons [39.6 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	98.0

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	29,213 [as of 1991]
Truck traffic:	29% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Satisfactory [6 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]
Operating rating:	43.6 tons [39.6 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	98.0

Comments