J ST-N51 ON RAMP over N51-H ST OFF RAMP & H ST

Map 

Facts 

Name:	J ST-N51 ON RAMP over N51-H ST OFF RAMP & H ST
Structure number:	24 0189S
Location:	03-SAC-051-1.15-SAC
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:	110.9 ft. [33.8 m]
Total length:	411.1 ft. [125.3 m]
Roadway width between curbs:	24.0 ft. [7.3 m]
Deck width edge-to-edge:	27.9 ft. [8.5 m]
Vertical clearance below bridge:	15.1 ft. [4.6 m]
Skew angle:	5°
Owner:	State Highway Agency [01]
Year built:	1966
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:	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:	8,700 [as of 1998]
Truck traffic:	6% 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]
Operating rating:	76.8 tons [69.8 metric tons]
Inventory rating:	48.8 tons [44.4 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	74.9
Recommended work:	Other structural work, including hydraulic replacements. [38]
Estimated cost of work:	$1,848,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	8,700 [as of 1998]
Truck traffic:	6% 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:	76.8 tons [69.8 metric tons]
Inventory rating:	48.8 tons [44.4 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	75.9
Recommended work:	Other structural work, including hydraulic replacements. [38]
Estimated cost of work:	$1,917,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	8,700 [as of 1983]
Deck condition:	Good [7 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Very Good [8 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	76.2 tons [69.3 metric tons]
Inventory rating:	48.5 tons [44.1 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	78.2
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$775,000

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