US Bridges

Interstate 580 EB over Beaumont Ave

Fair

Alameda County, California · 04-ALA-580-R42.18-OAK · Structure no. 33 0310L

Built
1963
62 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
120 ft
1 main span
Daily traffic
82,000
2017 count
Owner
State
State Highway Agency

About this bridge

Interstate 580 EB over Beaumont Ave is a concrete box beam or girders - multiple carrying Interstate 580 EB over Beaumont Ave in Alameda County, California. It was built in 1963, so it is 62 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 6 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 82,000 vehicles a day, roughly 2% of them trucks, projected to reach 260,805 by 2042. The structure is 120 ft (36.6 m) long and 69 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesInterstate 580 EB
CrossesBeaumont Ave
Location04-ALA-580-R42.18-OAK
RouteInterstate 580
Coordinates37.80093, -122.22862
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating67.1 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span111 ft (33.8 m)
Deck width69 ft (20.9 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic82,000 (2017)
Projected traffic260,805 by 2042
Trucks2%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 EB over Beaumont Ave built?

It was built in 1963, making it 62 years old in 2025.

What condition is Interstate 580 EB over Beaumont Ave 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 August 2024.

How much traffic does Interstate 580 EB over Beaumont Ave carry?

About 82,000 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Interstate 580 EB over Beaumont Ave?

The structure is 120 ft (36.6 m) long with a longest span of 111 ft (33.8 m) and a deck 69 ft wide.

Who owns Interstate 580 EB over Beaumont Ave?

It is owned by the State Highway Agency.