I 280-680 over U.S. HIGHWAY 101

Map 

Facts 

Name:	I 280-680 over U.S. HIGHWAY 101
Structure number:	37 0285L
Location:	04-SCL-680-M.01-SJS
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	107.9 ft. [32.9 m]
Total length:	272.0 ft. [82.9 m]
Roadway width between curbs:	67.3 ft. [20.5 m]
Deck width edge-to-edge:	69.2 ft. [21.1 m]
Vertical clearance above deck:	16.7 ft. [5.1 m]
Vertical clearance below bridge:	16.7 ft. [5.1 m]
Skew angle:	3°
Owner:	State Highway Agency [01]
Year built:	1974
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Design load:	MS 18+Mod / HS 20+Mod [6]
Number of main spans:	3
Main spans material:	Prestressed concrete continuous [6]
Main spans design:	Box beam or girders - Multiple [05]
Deck type:	Concrete Cast-in-Place [1]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	93,500 [as of 1998]
Truck traffic:	4% of total traffic
Deck condition:	Fair [5 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:	100.1 tons [91.0 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	94.0

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	89,500 [as of 1997]
Truck traffic:	4% 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]
Inventory rating:	35.9 tons [32.6 metric tons]
Sufficiency rating:	93.0

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	62,050 [as of 1990]
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]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	93.0

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