US Bridges

Hopyard ST over Arroyo Del Valle

Fair

Alameda County, California · South of Del Valle Pkwy · Structure no. 33C0103

Built
1951
74 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete Continuous
Length
156 ft
5 main spans
Daily traffic
5,800
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hopyard ST over Arroyo Del Valle is a concrete continuous tee beam carrying Hopyard ST over Arroyo Del Valle in Alameda County, California. It was built in 1951, so it is 74 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 5,800 vehicles a day, roughly 2% of them trucks, projected to reach 16,630 by 2041. The structure is 156 ft (47.5 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesHopyard ST
CrossesArroyo Del Valle
LocationSouth of Del Valle Pkwy
RouteCity Street 0
CountyAlameda County
StateCalifornia
Coordinates37.6677, -121.88413
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
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating38.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length156 ft (47.5 m)
Longest span54 ft (16.5 m)
Deck width36 ft (11 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,800 (2023)
Projected traffic16,630 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Hopyard ST over Arroyo Del Valle built?

It was built in 1951, making it 74 years old in 2025.

What condition is Hopyard ST over Arroyo Del Valle 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 October 2023.

How much traffic does Hopyard ST over Arroyo Del Valle carry?

About 5,800 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Hopyard ST over Arroyo Del Valle?

The structure is 156 ft (47.5 m) long with a longest span of 54 ft (16.5 m) and a deck 36 ft wide.

Who owns Hopyard ST over Arroyo Del Valle?

It is owned by the City or Municipal Highway Agency.