RAMP TO US 280 over I 459

Map 

Facts 

Name:	RAMP TO US 280 over I 459
Structure number:	012306
Old structure number:	0000I4593701980 (from 1992 edition)
Location:	I459 & US 280 INTR
Purpose:	Carries highway overpass over highway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	112.9 ft. [34.4 m]
Total length:	374.0 ft. [114.0 m]
Roadway width between curbs:	24.9 ft. [7.6 m]
Deck width edge-to-edge:	27.9 ft. [8.5 m]
Vertical clearance below bridge:	17.4 ft. [5.3 m]
Owner:	State Highway Agency [01]
Year built:	1980
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Design load:	MS 18 / HS 20 [5]
Main span material:	Steel [3]
Main span 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:	9,807 [as of 2008]
Truck traffic:	10% of total traffic
Deck condition:	Good [7 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:	47.9 tons [43.5 metric tons]
Inventory rating:	36.0 tons [32.7 metric tons]
Sufficiency rating:	97.0
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$3,536,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	2,500 [as of 1999]
Truck traffic:	5% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Very Good [8 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:	92.0

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	1,400 [as of 1988]
Truck traffic:	5% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Very Good [8 out of 9]
Substructure condition:	Good [7 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	44.6 tons [40.5 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	91.0

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