I 459 over DERBY PARKWAY

Map 

Facts 

Name:	I 459 over DERBY PARKWAY
Structure number:	015963
Location:	I 459 AT DERBY PARKWAY
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	101.1 ft. [30.8 m]
Total length:	214.9 ft. [65.5 m]
Roadway width between curbs:	56.1 ft. [17.1 m]
Deck width edge-to-edge:	58.1 ft. [17.7 m]
Vertical clearance below bridge:	16.4 ft. [5.0 m]
Skew angle:	14°
Owner:	State Highway Agency [01]
Year built:	1994
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:	Steel continuous [4]
Main spans 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:	29,675 [as of 2008]
Truck traffic:	12% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Satisfactory [6 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:	90.0
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$4,526,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	22,035 [as of 1997]
Truck traffic:	10% of total traffic
Deck condition:	Very Good [8 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:	90.8

Comments