LA0047 over I C WATERWAY(GULF OUTLET

Map 

Facts 

Name:	LA0047 over I C WATERWAY(GULF OUTLET
Structure number:	023601480201061
Location:	2.0 MI SOUTH OF I-10
Purpose:	Carries highway over highway and waterway
Route classification:	Other Principal Arterial (Urban) [14]
Length of largest span:	702.1 ft. [214.0 m]
Total length:	6622.4 ft. [2018.4 m]
Roadway width between curbs:	58.1 ft. [17.7 m]
Deck width edge-to-edge:	66.3 ft. [20.2 m]
Vertical clearance above deck:	17.1 ft. [5.2 m]
Vertical clearance below bridge:	134.8 ft. [41.1 m]
Owner:	State Highway Agency [01]
Year built:	1967
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:	Steel continuous [4]
Main spans design:	Truss - Thru [10]
Deck type:	Concrete Cast-in-Place [1]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	19,400 [as of 2009]
Truck traffic:	7% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Satisfactory [6 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]
Pier/abutment protection:	In place and functioning [2]
Scour condition:	Bridge is scour critical; bridge foundations determined to be unstable. [3]
Operating rating:	56.4 tons [51.3 metric tons]
Inventory rating:	33.7 tons [30.6 metric tons]
Sufficiency rating:	73.2

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	31,152 [as of 1998]
Truck traffic:	7% of total traffic
Deck condition:	Good [7 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]
Pier/abutment protection:	In place and functioning [2]
Scour condition:	Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:	50.5 tons [45.9 metric tons]
Inventory rating:	33.7 tons [30.6 metric tons]
Sufficiency rating:	73.2

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	23,102 [as of 1991]
Truck traffic:	7% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Good [7 out of 9]
Pier/abutment protection:	In place and functioning [2]
Scour condition:	Scour calculation/evaluation has not been made. [6]
Operating rating:	43.6 tons [39.6 metric tons]
Inventory rating:	36.6 tons [33.3 metric tons]
Sufficiency rating:	75.0

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