US Bridges

State Route 152 over West Branch Llagas Creek

Good

Santa Clara County, California · 04-SCL-152-M10.20-GIL · Structure no. 37 0463

Built
1988
37 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete Continuous
Length
52 ft
4 main spans
Daily traffic
18,800
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 152 over West Branch Llagas Creek is a concrete continuous culvert carrying State Route 152 over West Branch Llagas Creek in Santa Clara County, California. It was built in 1988, so it is 37 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 18,800 vehicles a day, roughly 7% of them trucks, projected to reach 29,614 by 2046. The structure is 52 ft (15.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesState Route 152
CrossesWest Branch Llagas Creek
Location04-SCL-152-M10.20-GIL
RouteState Highway 152
Coordinates37.02177, -121.56779
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable 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 spans4
Design loadUnknown
Structure length52 ft (15.8 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,800 (2009)
Projected traffic29,614 by 2046
Trucks7%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 West Branch Llagas Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is State Route 152 over West Branch 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 West Branch Llagas Creek carry?

About 18,800 vehicles per day (2009 count), of which roughly 7% are trucks.

How long is State Route 152 over West Branch Llagas Creek?

The structure is 52 ft (15.8 m) long with a longest span of 13 ft (3.9 m).

Who owns State Route 152 over West Branch Llagas Creek?

It is owned by the State Highway Agency.