US Bridges

Harriet Ave over San Tomas Aquino Creek

Fair

Santa Clara County, California · Fenian DR · Structure no. 37C0283

Built
1974
51 years old
Condition
Fair
inspected May 2022
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
7,000
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

Harriet Ave over San Tomas Aquino Creek is a concrete continuous culvert carrying Harriet Ave over San Tomas Aquino Creek in Santa Clara County, California. It was built in 1974, so it is 51 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 6 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 7,000 vehicles a day, roughly 8% of them trucks, projected to reach 8,959 by 2044. The structure is 24 ft (7.3 m) long and 60 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesHarriet Ave
CrossesSan Tomas Aquino Creek
LocationFenian DR
RouteCity Street 0
CountySanta Clara County
StateCalifornia
Coordinates37.27733, -121.97662
Functional classUrban Minor 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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span11 ft (3.5 m)
Deck width60 ft (18.3 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2010)
Projected traffic8,959 by 2044
Trucks8%
Lanes on structure3
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 Harriet Ave over San Tomas Aquino Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Harriet Ave 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 May 2022.

How much traffic does Harriet Ave over San Tomas Aquino Creek carry?

About 7,000 vehicles per day (2010 count), of which roughly 8% are trucks.

How long is Harriet Ave over San Tomas Aquino Creek?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.5 m) and a deck 60 ft wide.

Who owns Harriet Ave over San Tomas Aquino Creek?

It is owned by the City or Municipal Highway Agency.