US Bridges

Aborn Road over Thompson Creek

Fair

Santa Clara County, California · Near White Road · Structure no. 37C0274

Built
1974
51 years old
Condition
Fair
inspected November 2021
Type
Culvert
Concrete Continuous
Length
41 ft
3 main spans
Daily traffic
37,485
1999 count
Owner
City
City or Municipal Highway Agency

About this bridge

Aborn Road over Thompson Creek is a concrete continuous culvert carrying Aborn Road over Thompson 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 37,485 vehicles a day, roughly 4% of them trucks, projected to reach 60,322 by 2043. The structure is 41 ft (12.5 m) long and 133 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAborn Road
CrossesThompson Creek
LocationNear White Road
RouteCity Street 0
Coordinates37.31334, -121.79456
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2021
Inspection intervalevery 48 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 alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span13 ft (4 m)
Deck width133 ft (40.5 m)
Roadway width116 ft (35.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,485 (1999)
Projected traffic60,322 by 2043
Trucks4%
Lanes on structure6
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 Aborn Road over Thompson Creek built?

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

What condition is Aborn Road over Thompson 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 November 2021.

How much traffic does Aborn Road over Thompson Creek carry?

About 37,485 vehicles per day (1999 count), of which roughly 4% are trucks.

How long is Aborn Road over Thompson Creek?

The structure is 41 ft (12.5 m) long with a longest span of 13 ft (4 m) and a deck 133 ft wide.

Who owns Aborn Road over Thompson Creek?

It is owned by the City or Municipal Highway Agency.