US Bridges

Central Expwy EB over San Tomas Aquino Creek

Fair

Santa Clara County, California · 0.25 MI N Sa Tomas Expwy · Structure no. 37C0184R

Built
1963
62 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
92 ft
3 main spans
Daily traffic
36,160
2015 count
Owner
County
County Highway Agency

About this bridge

Central Expwy EB over San Tomas Aquino Creek is a concrete continuous slab carrying Central Expwy EB over San Tomas Aquino Creek in Santa Clara County, California. It was built in 1963, so it is 62 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 36,160 vehicles a day, roughly 5% of them trucks, projected to reach 51,008 by 2040. The structure is 92 ft (28 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCentral Expwy EB
CrossesSan Tomas Aquino Creek
Location0.25 MI N Sa Tomas Expwy
RouteCity Street 0
Coordinates37.37428, -121.9688
Functional classUrban Other Principal Arterial

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 protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be 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 rating35.7 US tons
Inventory rating21.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length92 ft (28 m)
Longest span36 ft (11 m)
Deck width70 ft (21.3 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,160 (2015)
Projected traffic51,008 by 2040
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Central Expwy EB over San Tomas Aquino Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is Central Expwy EB over San Tomas Aquino 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 September 2023.

How much traffic does Central Expwy EB over San Tomas Aquino Creek carry?

About 36,160 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Central Expwy EB over San Tomas Aquino Creek?

The structure is 92 ft (28 m) long with a longest span of 36 ft (11 m) and a deck 70 ft wide.

Who owns Central Expwy EB over San Tomas Aquino Creek?

It is owned by the County Highway Agency.