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BOSTON AVE over INTERSTATE 580

Map

Coordinates:
+37.79719, -122.21365
37°47'50" N, 122°12'49" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
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:13.1 ft. [4.0 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

Good/Fair/Poor Condition:Fair
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]
Sufficiency rating:93.8

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2015FairGoodSatisfactoryVery Good240093.8
September 2013FairFairGoodGood240092.8
October 2011FairFairGoodGood240092.8
October 2009FairFairGoodGood200093.8
October 2007FairFairGoodGood200093.8
September 2005FairFairGoodGood200093.8
August 2004FairFairGoodGood200093.8
September 2002FairSatisfactoryGoodGood200094.8
September 2000FairSatisfactoryGoodGood200094.8
September 1998FairFairGoodGood200093.8
September 1996FairSatisfactoryGoodGood200094.8
November 1994GoodGoodGoodGood200092.8
December 1992GoodGoodGoodGood200092.8
October 1990GoodGoodGoodGood200091.8