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BOSTON AVE over INTERSTATE 580

Map 

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

Facts 

Name:BOSTON AVE over INTERSTATE 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]

Latest Available Inspection: September 2015 

Status:Open, no restriction [A]
Average daily traffic:2,400 [as of 2009]
Truck traffic:3% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201593.8Not deficientGoodSatisfactoryVery Good2400
September 201392.8Not deficientFairGoodGood2400
October 201192.8Not deficientFairGoodGood2400
October 200993.8Not deficientFairGoodGood2000
October 200793.8Not deficientFairGoodGood2000
September 200593.8Not deficientFairGoodGood2000
August 200493.8Not deficientFairGoodGood2000
September 200294.8Not deficientSatisfactoryGoodGood2000
September 200094.8Not deficientSatisfactoryGoodGood2000
September 199893.8Not deficientFairGoodGood2000
September 199694.8Not deficientSatisfactoryGoodGood2000
November 199492.8Functionally obsoleteGoodGoodGood2000
December 199292.8Functionally obsoleteGoodGoodGood2000
October 199091.8Functionally obsoleteGoodGoodGood2000