I-59/20 over AL 79

Map 

Facts 

Name:	I-59/20 over AL 79
Structure number:	010862
Location:	I 59 & AL 79
Purpose:	Carries highway overpass over highway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	89.9 ft. [27.4 m]
Total length:	168.0 ft. [51.2 m]
Roadway width between curbs:	67.9 ft. [20.7 m]
Deck width edge-to-edge:	70.5 ft. [21.5 m]
Vertical clearance below bridge:	17.1 ft. [5.2 m]
Skew angle:	3°
Owner:	State Highway Agency [01]
Year built:	1973
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:	2
Main spans material:	Steel continuous [4]
Main spans design:	Stringer/Multi-beam or girder [02]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Other [9]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	77,355 [as of 2008]
Truck traffic:	10% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Fair [5 out of 9]
Substructure condition:	Good [7 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	44.2 tons [40.2 metric tons]
Inventory rating:	32.1 tons [29.2 metric tons]
Sufficiency rating:	77.1
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$4,458,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	72,875 [as of 1996]
Truck traffic:	8% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Fair [5 out of 9]
Substructure condition:	Good [7 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	47.9 tons [43.5 metric tons]
Inventory rating:	36.0 tons [32.7 metric tons]
Sufficiency rating:	80.0

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