US Bridges

Route 580 over Estudillo Avenue

Fair

Alameda County, California · 04-ALA-580-R34.48-SLN · Structure no. 33 0332

Built
1964
61 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
135 ft
3 main spans
Daily traffic
140,000
2017 count
Owner
State
State Highway Agency

About this bridge

Route 580 over Estudillo Avenue is a concrete continuous box beam or girders - multiple carrying Route 580 over Estudillo Avenue 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 140,000 vehicles a day, projected to reach 204,714 by 2042. The structure is 135 ft (41.1 m) long and 141 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 580
CrossesEstudillo Avenue
Location04-ALA-580-R34.48-SLN
RouteInterstate 580
Coordinates37.72963, -122.13823
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
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 rating44.3 US tons
Inventory rating34.3 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length135 ft (41.1 m)
Longest span74 ft (22.6 m)
Deck width141 ft (42.9 m)
Roadway width136 ft (41.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140,000 (2017)
Projected traffic204,714 by 2042
Trucks0%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 Route 580 over Estudillo Avenue built?

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

What condition is Route 580 over Estudillo Avenue 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 Route 580 over Estudillo Avenue carry?

About 140,000 vehicles per day (2017 count).

How long is Route 580 over Estudillo Avenue?

The structure is 135 ft (41.1 m) long with a longest span of 74 ft (22.6 m) and a deck 141 ft wide.

Who owns Route 580 over Estudillo Avenue?

It is owned by the State Highway Agency.