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WB INTERSTATE 580 over S580-N123 CONNECTOR RAMP

Alameda County, California

Map

Coordinates:
+37.82833, -122.28167
37°49'42" N, 122°16'54" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:WB INTERSTATE 580 over S580-N123 CONNECTOR RAMP
Structure number:33 0281R
Location:04-ALA-580-45.99-OAK
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:128.9 ft. [39.3 m]
Total length:128.9 ft. [39.3 m]
Roadway width between curbs:58.1 ft. [17.7 m]
Deck width edge-to-edge:62.3 ft. [19.0 m]
Vertical clearance below bridge:15.1 ft. [4.6 m]
Skew angle:63°
Owner:State Highway Agency [01]
Year built:1961
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Concrete [1]
Main span design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: August 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:220,000 [as of 2009]
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]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
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:67.8 tons [61.6 metric tons]
Inventory rating:40.6 tons [36.9 metric tons]
Sufficiency rating:61.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$1,254,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201661.0GoodGoodGoodGoodFO220000
September 201461.0GoodVery GoodVery GoodVery GoodFO220000
September 201261.0GoodGoodGoodGoodFO220000
March 201164.0GoodGoodGoodGoodFO220000
August 200864.6GoodGoodGoodGoodFO100000
August 200664.6GoodGoodGoodGoodFO100000
October 200464.6GoodGoodGoodGoodFO100000
November 200269.3GoodGoodGoodGoodFO78000
November 200064.0FairSatisfactoryGoodGoodFO133800
October 199864.0GoodGoodGoodGoodFO133800
December 199462.0GoodGoodGoodVery GoodFO141850
March 199362.1GoodGoodGoodVery GoodFO125000
October 199062.1GoodGoodGoodVery GoodFO125000

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Reinforced Concrete Closed Web/Box Girderlinear ft.4040000
Deck
Reinforced Concrete Top Flangesq. ft.750750000
Wearing Surfacessq. ft.695695000
Substructure
Reinforced Concrete Abutmentlinear ft.140136400
Reinforced Concrete Pileeach11000
Bridge Rail
Other Material Bridge Raillinear ft.44242000