US Bridges

State Route 152 over Killdeer Creek

Fair

Santa Clara County, California · 04-SCL-152-R25.36 · Structure no. 37 0060

Built
1922
103 years old, rebuilt 1991
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
30,750
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 152 over Killdeer Creek is a concrete continuous culvert carrying State Route 152 over Killdeer Creek in Santa Clara County, California. It was built in 1922 and reconstructed in 1991, so it is 103 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 30,750 vehicles a day, roughly 16% of them trucks, projected to reach 55,287 by 2046. The structure is 23 ft (7 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesState Route 152
CrossesKilldeer Creek
Location04-SCL-152-R25.36
RouteState Highway 152
Coordinates37.0086, -121.36057
Functional classRural Principal Arterial - Other

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,750 (2009)
Projected traffic55,287 by 2046
Trucks16%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 State Route 152 over Killdeer Creek built?

It was built in 1922, making it 103 years old in 2025. It was reconstructed in 1991.

What condition is State Route 152 over Killdeer 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 October 2024.

How much traffic does State Route 152 over Killdeer Creek carry?

About 30,750 vehicles per day (2009 count), of which roughly 16% are trucks.

How long is State Route 152 over Killdeer Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns State Route 152 over Killdeer Creek?

It is owned by the State Highway Agency.