US Bridges

W Alma Ave over Guadalupe River

Good

Santa Clara County, California · 0.5 MI W Almadan Ave · Structure no. 37C0056

Built
1954
71 years old
Condition
Good
inspected June 2023
Type
Tee Beam
Concrete Continuous
Length
103 ft
2 main spans
Daily traffic
21,700
2009 count
Owner
City
City or Municipal Highway Agency

About this bridge

W Alma Ave over Guadalupe River is a concrete continuous tee beam carrying W Alma Ave over Guadalupe River in Santa Clara County, California. It was built in 1954, 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 21,700 vehicles a day, roughly 4% of them trucks, projected to reach 34,497 by 2043. The structure is 103 ft (31.4 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesW Alma Ave
CrossesGuadalupe River
Location0.5 MI W Almadan Ave
RouteCity Street 0
Coordinates37.30932, -121.88555
Functional classUrban Minor Arterial

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.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating67.9 US tons
Inventory rating40.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length103 ft (31.4 m)
Longest span50 ft (15.2 m)
Deck width62 ft (18.9 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,700 (2009)
Projected traffic34,497 by 2043
Trucks4%
Lanes on structure4
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 W Alma Ave over Guadalupe River built?

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

What condition is W Alma Ave over Guadalupe River 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 June 2023.

How much traffic does W Alma Ave over Guadalupe River carry?

About 21,700 vehicles per day (2009 count), of which roughly 4% are trucks.

How long is W Alma Ave over Guadalupe River?

The structure is 103 ft (31.4 m) long with a longest span of 50 ft (15.2 m) and a deck 62 ft wide.

Who owns W Alma Ave over Guadalupe River?

It is owned by the City or Municipal Highway Agency.