US Bridges

38th Ave over Interstate 580

Fair

Alameda County, California · 04-ALA-580-R40.39-OAK · Structure no. 33 0319

Built
1963
62 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
231 ft
4 main spans
Daily traffic
4,765
2014 count
Owner
State
State Highway Agency

About this bridge

38th Ave over Interstate 580 is a concrete continuous box beam or girders - multiple carrying 38th Ave over Interstate 580 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 4,765 vehicles a day, roughly 1% of them trucks, projected to reach 5,345 by 2041. The structure is 231 ft (70.4 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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Carries38th Ave
CrossesInterstate 580
Location04-ALA-580-R40.39-OAK
RouteCity Street 0
CountyAlameda County
StateCalifornia
Coordinates37.78908, -122.20073
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating31.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length231 ft (70.4 m)
Longest span72 ft (21.9 m)
Deck width48 ft (14.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,765 (2014)
Projected traffic5,345 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 38th Ave over Interstate 580 built?

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

What condition is 38th Ave over Interstate 580 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 38th Ave over Interstate 580 carry?

About 4,765 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is 38th Ave over Interstate 580?

The structure is 231 ft (70.4 m) long with a longest span of 72 ft (21.9 m) and a deck 48 ft wide.

Who owns 38th Ave over Interstate 580?

It is owned by the State Highway Agency.