I0012 over AMITE RIVER @ D'SPNGS

Map 

Facts 

Name:	I0012 over AMITE RIVER @ D'SPNGS
Structure number:	623204540200001
Location:	62324540200001
Purpose:	Carries highway over waterway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	174.9 ft. [53.3 m]
Total length:	1307.2 ft. [398.4 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:	1970
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:	18
Main spans material:	Steel [3]
Main spans design:	Girder and floorbeam system [03]
Deck type:	Concrete Cast-in-Place [1]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	52,740 [as of 2009]
Truck traffic:	10% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Good [7 out of 9]
Channel protection:	Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:	Countermeasures have been installed to mitigate an existing problem with scour. [7]
Operating rating:	69.3 tons [63.0 metric tons]
Inventory rating:	40.6 tons [36.9 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	72.6
Recommended work:	Other structural work, including hydraulic replacements. [38]
Estimated cost of work:	$5,097,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	30,114 [as of 1997]
Truck traffic:	10% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Good [7 out of 9]
Channel protection:	Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:	Countermeasures have been installed to mitigate an existing problem with scour. [7]
Operating rating:	55.4 tons [50.4 metric tons]
Inventory rating:	39.6 tons [36.0 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	75.4
Recommended work:	Other structural work, including hydraulic replacements. [38]
Estimated cost of work:	$5,097,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	32,533 [as of 1991]
Truck traffic:	10% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Very Good [8 out of 9]
Substructure condition:	Very Good [8 out of 9]
Channel protection:	Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:	Scour calculation/evaluation has not been made. [6]
Operating rating:	55.4 tons [50.4 metric tons]
Inventory rating:	39.6 tons [36.0 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	75.9
Recommended work:	Other structural work, including hydraulic replacements. [38]
Estimated cost of work:	$5,097,000

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