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LA0010 over THOMPSON CREEK

Map 

Coordinates:
+30.84034, -91.22667
30°50'25" N, 91°13'36" W
Source: National Bridge Inventory (1992, 2000, 2010 editions)
Information not verified. Use at your own risk.

Facts 

Name:LA0010 over THOMPSON CREEK
Structure number:611900610500001
Location:LA0010
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:60.0 ft. [18.3 m]
Total length:542.0 ft. [165.2 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:33.5 ft. [10.2 m]
Owner:State Highway Agency [01]
Year built:1959
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:9
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
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:3,100 [as of 2009]
Truck traffic:17% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 out of 9]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Scour condition:Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Operating rating:73.3 tons [66.6 metric tons]
Inventory rating:43.6 tons [39.6 metric tons]
Sufficiency rating:63.6

2000 Inspection 

Status:Open, no restriction [A]
Average daily traffic:3,726 [as of 1997]
Truck traffic:17% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Operating rating:73.3 tons [66.6 metric tons]
Inventory rating:43.6 tons [39.6 metric tons]
Sufficiency rating:75.6

1992 Inspection 

Status:Open, no restriction [A]
Average daily traffic:2,671 [as of 1991]
Truck traffic:17% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Scour condition:Scour calculation/evaluation has not been made. [6]
Operating rating:32.7 tons [29.7 metric tons]
Inventory rating:22.8 tons [20.7 metric tons]
Sufficiency rating:65.1