SB-US75 over N64

Map 

Facts 

Name:	SB-US75 over N64
Structure number:	S075 09106
Location:	US75/N64 INTRCHG
Purpose:	Carries highway overpass over highway
Route classification:	Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:	87.9 ft. [26.8 m]
Total length:	543.0 ft. [165.5 m]
Roadway width between curbs:	38.1 ft. [11.6 m]
Deck width edge-to-edge:	40.7 ft. [12.4 m]
Vertical clearance below bridge:	14.8 ft. [4.5 m]
Skew angle:	6°
Owner:	State Highway Agency [01]
Year built:	1970
Year reconstructed:	1979
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:	8
Main spans material:	Steel [3]
Main spans design:	Stringer/Multi-beam or girder [02]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Low slump Concrete [4]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	27,185 [as of 2008]
Truck traffic:	4% of total traffic
Deck condition:	Fair [5 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Poor [4 out of 9]
Pier/abutment protection:	Navigation protection not required [1]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	63.4 tons [57.6 metric tons]
Inventory rating:	37.6 tons [34.2 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	68.2
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$2,008,000

2000 Inspection 

Average daily traffic:	12,900 [as of 1998]
Truck traffic:	2% of total traffic
Evaluation:	Not applicable [N]

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	8,500 [as of 1990]
Truck traffic:	6% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Fair [5 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	35.6 tons [32.4 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	84.3

Comments