I24 over BROWN'S FERRY (FAU 3622)

Map 

Facts 

Name:	I24 over BROWN'S FERRY (FAU 3622)
Structure number:	33I00240007
Location:	4.2 MI E OF GA STATE LINE
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	77.1 ft. [23.5 m]
Total length:	139.1 ft. [42.4 m]
Roadway width between curbs:	36.4 ft. [11.1 m]
Deck width edge-to-edge:	44.6 ft. [13.6 m]
Vertical clearance below bridge:	15.7 ft. [4.8 m]
Skew angle:	35°
Owner:	State Highway Agency [01]
Year built:	1964
Historic significance:	Historical significance is not determinable at this time [4]
Design load:	MS 18 / HS 20 [5]
Number of main spans:	3
Main spans material:	Steel [3]
Main spans design:	Stringer/Multi-beam or girder [02]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Bituminous [6]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	74,370 [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]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	61.4 tons [55.8 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	72.4
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$1,858,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	61,170 [as of 1998]
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]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	61.4 tons [55.8 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	69.4
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$452,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	37,000 [as of 1990]
Truck traffic:	19% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Good [7 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	48.5 tons [44.1 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	84.9
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$381,000

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