US Bridges

State Route 152 over Llagas Creek

Good

Santa Clara County, California · 04-SCL-152-11.16 · Structure no. 37 0402

Built
1985
40 years old, rebuilt 2006
Condition
Good
inspected October 2024
Type
Slab
Concrete Continuous
Length
298 ft
7 main spans
Daily traffic
22,300
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 152 over Llagas Creek is a concrete continuous slab carrying State Route 152 over Llagas Creek in Santa Clara County, California. It was built in 1985 and reconstructed in 2006, so it is 40 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 22,300 vehicles a day, roughly 9% of them trucks, projected to reach 40,786 by 2042. The structure is 298 ft (90.8 m) long and 78 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesState Route 152
CrossesLlagas Creek
Location04-SCL-152-11.16
RouteState Highway 152
Coordinates37.0031, -121.53751
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20 + Mod
Structure length298 ft (90.8 m)
Longest span46 ft (14 m)
Deck width78 ft (23.9 m)
Roadway width75 ft (22.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,300 (2009)
Projected traffic40,786 by 2042
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Llagas Creek built?

It was built in 1985, making it 40 years old in 2025. It was reconstructed in 2006.

What condition is State Route 152 over Llagas 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 October 2024.

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

About 22,300 vehicles per day (2009 count), of which roughly 9% are trucks.

How long is State Route 152 over Llagas Creek?

The structure is 298 ft (90.8 m) long with a longest span of 46 ft (14 m) and a deck 78 ft wide.

Who owns State Route 152 over Llagas Creek?

It is owned by the State Highway Agency.