US Bridges

Interstate 580 over W580-SAN Joaquin Av Off

Fair

Alameda County, California · 04-ALA-580-R34.40-SLN · Structure no. 33 0331

Built
1964
61 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
74 ft
1 main span
Daily traffic
137,000
2017 count
Owner
State
State Highway Agency

About this bridge

Interstate 580 over W580-SAN Joaquin Av Off is a concrete box beam or girders - multiple carrying Interstate 580 over W580-SAN Joaquin Av Off in Alameda County, California. It was built in 1964, so it is 61 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 137,000 vehicles a day, projected to reach 204,714 by 2042. The structure is 74 ft (22.5 m) long and 149 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesInterstate 580
CrossesW580-SAN Joaquin Av Off
Location04-ALA-580-R34.40-SLN
RouteInterstate 580
CountyAlameda County
StateCalifornia
Coordinates37.72802, -122.13788
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.8 US tons
Inventory rating49.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length74 ft (22.5 m)
Longest span74 ft (22.5 m)
Deck width149 ft (45.4 m)
Roadway width138 ft (42 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic137,000 (2017)
Projected traffic204,714 by 2042
Trucks0%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Interstate 580 over W580-SAN Joaquin Av Off built?

It was built in 1964, making it 61 years old in 2025.

What condition is Interstate 580 over W580-SAN Joaquin Av Off in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does Interstate 580 over W580-SAN Joaquin Av Off carry?

About 137,000 vehicles per day (2017 count).

How long is Interstate 580 over W580-SAN Joaquin Av Off?

The structure is 74 ft (22.5 m) long with a longest span of 74 ft (22.5 m) and a deck 149 ft wide.

Who owns Interstate 580 over W580-SAN Joaquin Av Off?

It is owned by the State Highway Agency.