LA0039 over N O P B RR (ROBERTSON ST

Map 

Facts 

Name:	LA0039 over N O P B RR (ROBERTSON ST
Structure number:	023600463101201
Location:	.6 MI EAST OF LA 3021
Purpose:	Carries highway over highway and railroad
Route classification:	Other Principal Arterial (Urban) [14]
Length of largest span:	84.0 ft. [25.6 m]
Total length:	1327.2 ft. [404.5 m]
Roadway width between curbs:	27.9 ft. [8.5 m]
Deck width edge-to-edge:	36.7 ft. [11.2 m]
Vertical clearance below bridge:	11.2 ft. [3.4 m]
Owner:	State Highway Agency [01]
Year built:	1962
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:	19
Main spans material:	Steel [3]
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:	22,500 [as of 2009]
Truck traffic:	3% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Good [7 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	58.4 tons [53.1 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	81.0
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$5,175,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	17,145 [as of 1998]
Truck traffic:	3% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Good [7 out of 9]
Operating rating:	42.6 tons [38.7 metric tons]
Inventory rating:	24.8 tons [22.5 metric tons]
Sufficiency rating:	86.9

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	25,471 [as of 1991]
Truck traffic:	3% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Good [7 out of 9]
Operating rating:	42.6 tons [38.7 metric tons]
Inventory rating:	24.8 tons [22.5 metric tons]
Sufficiency rating:	86.9

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