US Bridges

Hopyard Dougherty over Interstate 580

Good

Alameda County, California · 04-ALA-580-19.86-PLE · Structure no. 33 0551

Built
1988
37 years old, rebuilt 1994
Condition
Good
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
444 ft
2 main spans
Daily traffic
6,000
1998 count
Owner
State
State Highway Agency

About this bridge

Hopyard Dougherty over Interstate 580 is a prestressed concrete continuous box beam or girders - multiple carrying Hopyard Dougherty over Interstate 580 in Alameda County, California. It was built in 1988 and reconstructed in 1994, so it is 37 years old, younger 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 6,000 vehicles a day, roughly 5% of them trucks, projected to reach 12,035 by 2042. The structure is 444 ft (135.3 m) long and 121 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHopyard Dougherty
CrossesInterstate 580
Location04-ALA-580-19.86-PLE
RouteCity Street 0
Coordinates37.70128, -121.90638
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length444 ft (135.3 m)
Longest span244 ft (74.4 m)
Deck width121 ft (37 m)
Roadway width105 ft (32.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (1998)
Projected traffic12,035 by 2042
Trucks5%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
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 Hopyard Dougherty over Interstate 580 built?

It was built in 1988, making it 37 years old in 2025. It was reconstructed in 1994.

What condition is Hopyard Dougherty over Interstate 580 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 February 2024.

How much traffic does Hopyard Dougherty over Interstate 580 carry?

About 6,000 vehicles per day (1998 count), of which roughly 5% are trucks.

How long is Hopyard Dougherty over Interstate 580?

The structure is 444 ft (135.3 m) long with a longest span of 244 ft (74.4 m) and a deck 121 ft wide.

Who owns Hopyard Dougherty over Interstate 580?

It is owned by the State Highway Agency.