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BOSTON AVE over ROUTE 580

Alameda County, California

Map 

Coordinates:
+37.79667, -122.21333
37°47'48" N, 122°12'48" W
Source: National Bridge Inventory (1992, 2000, 2010 editions)
Information not verified. Use at your own risk.

Facts 

Name:BOSTON AVE over ROUTE 580
Structure number:33 0323
Location:04-ALA-580-R41.33-OAK
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Local (Urban) [19]
Length of largest span:69.9 ft. [21.3 m]
Total length:193.9 ft. [59.1 m]
Roadway width between curbs:32.2 ft. [9.8 m]
Deck width edge-to-edge:44.3 ft. [13.5 m]
Vertical clearance below bridge:15.1 ft. [4.6 m]
Owner:State Highway Agency [01]
Year built:1963
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]

2010 Inspection 

Status:Open, no restriction [A]
Average daily traffic:2,000 [as of 1998]
Truck traffic:3% 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:94.8 tons [86.2 metric tons]
Inventory rating:57.0 tons [51.8 metric tons]
Sufficiency rating:93.8

2000 Inspection 

Status:Open, no restriction [A]
Average daily traffic:2,000 [as of 1998]
Truck traffic:3% 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:94.7 tons [86.1 metric tons]
Inventory rating:56.9 tons [51.7 metric tons]
Sufficiency rating:93.8

1992 Inspection 

Status:Open, no restriction [A]
Average daily traffic:2,000 [as of 1990]
Truck traffic:3% 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:94.1 tons [85.5 metric tons]
Inventory rating:56.4 tons [51.3 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:91.8

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