US Bridges

Grand Avenue over Interstate 580

Fair

Alameda County, California · 04-ALA-580-R33.94-SLN · Structure no. 33 0330

Built
1964
61 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
266 ft
4 main spans
Daily traffic
13,300
2009 count
Owner
State
State Highway Agency

About this bridge

Grand Avenue over Interstate 580 is a concrete continuous box beam or girders - multiple carrying Grand Avenue over Interstate 580 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 13,300 vehicles a day, roughly 3% of them trucks, projected to reach 16,086 by 2042. The structure is 266 ft (81.1 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesGrand Avenue
CrossesInterstate 580
Location04-ALA-580-R33.94-SLN
RouteCity Street 0
Coordinates37.72231, -122.13612
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating45.3 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length266 ft (81.1 m)
Longest span103 ft (31.4 m)
Deck width40 ft (12.3 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,300 (2009)
Projected traffic16,086 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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 Grand Avenue over Interstate 580 built?

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

What condition is Grand Avenue 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 April 2024.

How much traffic does Grand Avenue over Interstate 580 carry?

About 13,300 vehicles per day (2009 count), of which roughly 3% are trucks.

How long is Grand Avenue over Interstate 580?

The structure is 266 ft (81.1 m) long with a longest span of 103 ft (31.4 m) and a deck 40 ft wide.

Who owns Grand Avenue over Interstate 580?

It is owned by the State Highway Agency.