RAMP"D" over CITY STREETS AND US 31

Map 

Facts 

Name:	RAMP"D" over CITY STREETS AND US 31
Structure number:	014159
Location:	RAMP FROM I59SB TO 31SB
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	123.0 ft. [37.5 m]
Total length:	2709.1 ft. [825.7 m]
Roadway width between curbs:	24.9 ft. [7.6 m]
Deck width edge-to-edge:	27.9 ft. [8.5 m]
Vertical clearance above deck:	17.1 ft. [5.2 m]
Vertical clearance below bridge:	14.4 ft. [4.4 m]
Owner:	State Highway Agency [01]
Year built:	1987
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:	19
Main spans material:	Steel [3]
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:	15,616 [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]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	73.0
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$23,778,000

2000 Inspection 

Average daily traffic:	3,200 [as of 1994]
Truck traffic:	1% of total traffic
Evaluation:	Not applicable [N]

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