US Bridges

Hillsdale Ave over Canoas Creek

Good

Santa Clara County, California · 1 MI East Almaden RD · Structure no. 37C0260

Built
1974
51 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete Continuous
Length
45 ft
2 main spans
Daily traffic
8,200
2000 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hillsdale Ave over Canoas Creek is a concrete continuous culvert carrying Hillsdale Ave over Canoas 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 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 8,200 vehicles a day, roughly 6% of them trucks, projected to reach 12,033 by 2041. The structure is 45 ft (13.7 m) long and 100 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHillsdale Ave
CrossesCanoas Creek
Location1 MI East Almaden RD
RouteCity Street 0
Coordinates37.28029, -121.86111
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length45 ft (13.7 m)
Longest span22 ft (6.7 m)
Deck width100 ft (30.5 m)
Roadway width81 ft (24.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,200 (2000)
Projected traffic12,033 by 2041
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 Hillsdale Ave over Canoas Creek built?

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

What condition is Hillsdale Ave over Canoas Creek 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 Hillsdale Ave over Canoas Creek carry?

About 8,200 vehicles per day (2000 count), of which roughly 6% are trucks.

How long is Hillsdale Ave over Canoas Creek?

The structure is 45 ft (13.7 m) long with a longest span of 22 ft (6.7 m) and a deck 100 ft wide.

Who owns Hillsdale Ave over Canoas Creek?

It is owned by the City or Municipal Highway Agency.