US Bridges

Interstate 580 over 14th Avenue

Fair

Alameda County, California · 04-ALA-580-R42.07-OAK · Structure no. 33 0309R

Built
1963
62 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
104 ft
1 main span
Daily traffic
182,000
2014 count
Owner
State
State Highway Agency

About this bridge

Interstate 580 over 14th Avenue is a concrete box beam or girders - multiple carrying Interstate 580 over 14th Avenue 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 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 182,000 vehicles a day, roughly 2% of them trucks, projected to reach 260,805 by 2041. The structure is 104 ft (31.7 m) long and 69 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesInterstate 580
Crosses14th Avenue
Location04-ALA-580-R42.07-OAK
RouteInterstate 580
Coordinates37.80057, -122.22639
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.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106 US tons
Inventory rating63.6 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length104 ft (31.7 m)
Longest span94 ft (28.7 m)
Deck width69 ft (20.9 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic182,000 (2014)
Projected traffic260,805 by 2041
Trucks2%
Lanes on structure4
Traffic directionOne-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 14th Avenue built?

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

What condition is Interstate 580 over 14th 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 September 2023.

How much traffic does Interstate 580 over 14th Avenue carry?

About 182,000 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is Interstate 580 over 14th Avenue?

The structure is 104 ft (31.7 m) long with a longest span of 94 ft (28.7 m) and a deck 69 ft wide.

Who owns Interstate 580 over 14th Avenue?

It is owned by the State Highway Agency.