I-59/20 NORTHBOUND over I-59/20 SOUTHBOUND

Map 

Facts 

Name:	I-59/20 NORTHBOUND over I-59/20 SOUTHBOUND
Structure number:	019485
Location:	I-59/20 OVER I-59/20
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	165.0 ft. [50.3 m]
Total length:	413.1 ft. [125.9 m]
Roadway width between curbs:	64.0 ft. [19.5 m]
Deck width edge-to-edge:	66.6 ft. [20.3 m]
Vertical clearance below bridge:	16.7 ft. [5.1 m]
Skew angle:	60°
Owner:	State Highway Agency [01]
Year built:	2004
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:	Prestressed concrete [5]
Main spans design:	Tee beam [04]
Deck type:	Concrete Cast-in-Place [1]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	160,140 [as of 2008]
Truck traffic:	10% of total traffic
Deck condition:	Very Good [8 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Very Good [8 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	86.9 tons [79.0 metric tons]
Inventory rating:	53.0 tons [48.2 metric tons]
Sufficiency rating:	80.0
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$9,203,000

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