U.S. HIGHWAY 101 over SILVER LAKE BLVD

Map 

Facts 

Name:	U.S. HIGHWAY 101 over SILVER LAKE BLVD
Structure number:	53 0613
Location:	07-LA-101-3.76-LA
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:	83.0 ft. [25.3 m]
Total length:	310.1 ft. [94.5 m]
Roadway width between curbs:	96.1 ft. [29.3 m]
Deck width edge-to-edge:	110.6 ft. [33.7 m]
Vertical clearance below bridge:	17.4 ft. [5.3 m]
Skew angle:	57°
Owner:	State Highway Agency [01]
Year built:	1948
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Design load:	M 18 / H 20 [4]
Number of main spans:	4
Main spans material:	Concrete continuous [2]
Main spans design:	Box beam or girders - Multiple [05]
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:	265,000 [as of 2000]
Truck traffic:	8% of total traffic
Deck condition:	Satisfactory [6 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:	103.6 tons [94.2 metric tons]
Inventory rating:	62.8 tons [57.1 metric tons]
Sufficiency rating:	76.0

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	273,200 [as of 1997]
Truck traffic:	4% of total traffic
Deck condition:	Fair [5 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:	62.8 tons [57.1 metric tons]
Sufficiency rating:	80.0

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	262,900 [as of 1990]
Deck condition:	Good [7 out of 9]
Superstructure condition:	Very Good [8 out of 9]
Substructure condition:	Very Good [8 out of 9]
Scour condition:	Bridge not over waterway. [N]
Inventory rating:	62.4 tons [56.7 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	79.0
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$2,334,000

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