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LA0001 over PORT ALLEN CANAL

Map 

Coordinates:
+30.43200, -91.21113
30°25'55" N, 91°12'40" W
Source: National Bridge Inventory (1992, 2000, 2010 editions)
Information not verified. Use at your own risk.

Facts 

Name:LA0001 over PORT ALLEN CANAL
Structure number:616100500708322
Location:LA0001
Purpose:Carries highway over highway, waterway, and railroad
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:200.1 ft. [61.0 m]
Total length:2469.3 ft. [752.6 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:34.1 ft. [10.4 m]
Vertical clearance below bridge:74.8 ft. [22.8 m]
Owner:State Highway Agency [01]
Year built:1960
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 [3]
Main spans design:Girder and floorbeam system [03]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

2010 Inspection 

Status:Open, no restriction [A]
Average daily traffic:26,100 [as of 2009]
Truck traffic:7% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 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 foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:60.4 tons [54.9 metric tons]
Inventory rating:34.7 tons [31.5 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:61.7
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$9,628,000

2000 Inspection 

Status:Open, no restriction [A]
Average daily traffic:23,476 [as of 1998]
Truck traffic:7% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 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]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:33.7 tons [30.6 metric tons]
Inventory rating:23.8 tons [21.6 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:63.0
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$9,628,000

1992 Inspection 

Status:Open, no restriction [A]
Average daily traffic:14,142 [as of 1991]
Truck traffic:7% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Very Good [8 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]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:33.7 tons [30.6 metric tons]
Inventory rating:23.8 tons [21.6 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:64.8
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$9,628,000