US Bridges

Ames Ave over Berryessa Creek

Fair

Santa Clara County, California · E of Milpitas Blvd · Structure no. 37C0233

Built
1972
53 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete Continuous
Length
67 ft
2 main spans
Daily traffic
2,573
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ames Ave over Berryessa Creek is a concrete continuous slab carrying Ames Ave over Berryessa Creek in Santa Clara County, California. It was built in 1972, so it is 53 years old, younger 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 2,573 vehicles a day, roughly 4% of them trucks, projected to reach 3,539 by 2044. The structure is 67 ft (20.3 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAmes Ave
CrossesBerryessa Creek
LocationE of Milpitas Blvd
RouteCity Street 0
Coordinates37.42008, -121.88885
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating71.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length67 ft (20.3 m)
Longest span32 ft (9.8 m)
Deck width55 ft (16.8 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,573 (2011)
Projected traffic3,539 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Ames Ave over Berryessa Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is Ames Ave over Berryessa Creek 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 December 2024.

How much traffic does Ames Ave over Berryessa Creek carry?

About 2,573 vehicles per day (2011 count), of which roughly 4% are trucks.

How long is Ames Ave over Berryessa Creek?

The structure is 67 ft (20.3 m) long with a longest span of 32 ft (9.8 m) and a deck 55 ft wide.

Who owns Ames Ave over Berryessa Creek?

It is owned by the City or Municipal Highway Agency.