US Bridges

Interstate 580 EB over UP RR BNSF RY & Ace

Fair

Alameda County, California · 04-ALA-580-R3.91L · Structure no. 33 0124L

Built
1938
87 years old, rebuilt 1970
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
126 ft
5 main spans
Daily traffic
93,000
2020 count
Owner
State
State Highway Agency

About this bridge

Interstate 580 EB over UP RR BNSF RY & Ace is a concrete continuous slab carrying Interstate 580 EB over UP RR BNSF RY & Ace in Alameda County, California. It was built in 1938 and reconstructed in 1970, so it is 87 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 93,000 vehicles a day, roughly 13% of them trucks, projected to reach 230,524 by 2044. The structure is 126 ft (38.4 m) long and 68 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesInterstate 580 EB
CrossesUP RR BNSF RY & Ace
Location04-ALA-580-R3.91L
RouteInterstate 580
Coordinates37.7332, -121.62881
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
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 rating55.3 US tons
Inventory rating33.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 15
Structure length126 ft (38.4 m)
Longest span34 ft (10.4 m)
Deck width68 ft (20.7 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic93,000 (2020)
Projected traffic230,524 by 2044
Trucks13%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed13 mi (21 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 UP RR BNSF RY & Ace built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1970.

What condition is Interstate 580 EB over UP RR BNSF RY & Ace 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 January 2024.

How much traffic does Interstate 580 EB over UP RR BNSF RY & Ace carry?

About 93,000 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is Interstate 580 EB over UP RR BNSF RY & Ace?

The structure is 126 ft (38.4 m) long with a longest span of 34 ft (10.4 m) and a deck 68 ft wide.

Who owns Interstate 580 EB over UP RR BNSF RY & Ace?

It is owned by the State Highway Agency.