US Bridges

Interstate 580 over Arroyo Seco

Good

Alameda County, California · 04-ALA-580-11.04-LVMR · Structure no. 33 0066

Built
1954
71 years old, rebuilt 2015
Condition
Good
inspected January 2024
Type
Culvert
Concrete Continuous
Length
47 ft
3 main spans
Daily traffic
197,000
2020 count
Owner
State
State Highway Agency

About this bridge

Interstate 580 over Arroyo Seco is a concrete continuous culvert carrying Interstate 580 over Arroyo Seco in Alameda County, California. It was built in 1954 and reconstructed in 2015, so it is 71 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 197,000 vehicles a day, roughly 8% of them trucks, projected to reach 255,483 by 2042. The structure is 47 ft (14.3 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesInterstate 580
CrossesArroyo Seco
Location04-ALA-580-11.04-LVMR
RouteInterstate 580
Coordinates37.70222, -121.74643
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadUnknown
Structure length47 ft (14.3 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic197,000 (2020)
Projected traffic255,483 by 2042
Trucks8%
Lanes on structure13
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Interstate 580 over Arroyo Seco built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 2015.

What condition is Interstate 580 over Arroyo Seco in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does Interstate 580 over Arroyo Seco carry?

About 197,000 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Interstate 580 over Arroyo Seco?

The structure is 47 ft (14.3 m) long with a longest span of 12 ft (3.7 m).

Who owns Interstate 580 over Arroyo Seco?

It is owned by the State Highway Agency.