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WB INTERSTATE 580 over S580-N123 CONNECTOR RAMP

Alameda County, California

Map

Coordinates:
+37.82767, -122.28248
37°49'40" N, 122°16'57" 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:	13.1 ft. `[4.0 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]`
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

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
August 2016	Good	Good	Good	Good	220000	61.0
September 2014	Good	Very Good	Very Good	Very Good	220000	61.0
September 2012	Good	Good	Good	Good	220000	61.0
March 2011	Good	Good	Good	Good	220000	64.0
August 2008	Good	Good	Good	Good	100000	64.6
August 2006	Good	Good	Good	Good	100000	64.6
October 2004	Good	Good	Good	Good	100000	64.6
November 2002	Good	Good	Good	Good	78000	69.3
November 2000	Fair	Satisfactory	Good	Good	133800	64.0
October 1998	Good	Good	Good	Good	133800	64.0
December 1994	Good	Good	Good	Very Good	141850	62.0
March 1993	Good	Good	Good	Very Good	125000	62.1
October 1990	Good	Good	Good	Very Good	125000	62.1

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Reinforced Concrete Closed Web/Box Girder	linear ft.	40	34	6	0	0
Deck
Reinforced Concrete Top Flange	sq. ft.	750	750	0	0	0
Wearing Surfaces	sq. ft.	695	695	0	0	0
Substructure
Reinforced Concrete Abutment	linear ft.	140	136	4	0	0
Reinforced Concrete Pile	each	1	1	0	0	0
Bridge Rail
Other Material Bridge Rail	linear ft.	44	23	14	7	0

© Copyright 2012-19, James Baughn
Disclaimer: All data is taken from the National Bridge Inventory and has not been verified.
This page's URL is http://bridgereports.com/1046461