I0310 over LA 18 & M. P. RR

Map 

Facts 

Name:	I0310 over LA 18 & M. P. RR
Structure number:	024504503800001
Location:	02454503800001
Purpose:	Carries highway over highway and railroad
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	200.1 ft. [61.0 m]
Total length:	1900.0 ft. [579.1 m]
Roadway width between curbs:	76.1 ft. [23.2 m]
Deck width edge-to-edge:	87.3 ft. [26.6 m]
Vertical clearance below bridge:	92.2 ft. [28.1 m]
Owner:	State Highway Agency [01]
Year built:	1979
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:	14
Main spans material:	Steel continuous [4]
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:	31,000 [as of 2009]
Truck traffic:	10% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Very Good [8 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	56.4 tons [51.3 metric tons]
Inventory rating:	33.7 tons [30.6 metric tons]
Sufficiency rating:	74.2

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	27,716 [as of 1998]
Truck traffic:	10% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Very Good [8 out of 9]
Operating rating:	59.4 tons [54.0 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	75.0

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	9,712 [as of 1991]
Truck traffic:	10% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Good [7 out of 9]
Operating rating:	43.6 tons [39.6 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	75.0

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