US Bridges

Interstate 580 over Kuhnle Ave

Fair

Alameda County, California · 04-ALA-580-R38.92-OAK · Structure no. 33 0342

Built
1965
60 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
197 ft
3 main spans
Daily traffic
163,000
2014 count
Owner
State
State Highway Agency

About this bridge

Interstate 580 over Kuhnle Ave is a concrete continuous box beam or girders - multiple carrying Interstate 580 over Kuhnle Ave in Alameda County, California. It was built in 1965, so it is 60 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 163,000 vehicles a day, projected to reach 247,391 by 2041. The structure is 197 ft (60 m) long and 180 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesInterstate 580
CrossesKuhnle Ave
Location04-ALA-580-R38.92-OAK
RouteInterstate 580
CountyAlameda County
StateCalifornia
Coordinates37.78113, -122.17332
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length197 ft (60 m)
Longest span98 ft (29.9 m)
Deck width180 ft (55 m)
Roadway width176 ft (53.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic163,000 (2014)
Projected traffic247,391 by 2041
Trucks0%
Lanes on structure10
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 Interstate 580 over Kuhnle Ave built?

It was built in 1965, making it 60 years old in 2025.

What condition is Interstate 580 over Kuhnle 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 September 2023.

How much traffic does Interstate 580 over Kuhnle Ave carry?

About 163,000 vehicles per day (2014 count).

How long is Interstate 580 over Kuhnle Ave?

The structure is 197 ft (60 m) long with a longest span of 98 ft (29.9 m) and a deck 180 ft wide.

Who owns Interstate 580 over Kuhnle Ave?

It is owned by the State Highway Agency.