US Bridges

Leavesley RD over Llagas Creek

Fair

Santa Clara County, California · S/O San Felipe RD · Structure no. 37C0010

Built
1988
37 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
160 ft
4 main spans
Daily traffic
7,800
2014 count
Owner
County
County Highway Agency

About this bridge

Leavesley RD over Llagas Creek is a concrete continuous slab carrying Leavesley RD over 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 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 7,800 vehicles a day, roughly 5% of them trucks, projected to reach 10,783 by 2042. The structure is 160 ft (48.8 m) long and 55 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLeavesley RD
CrossesLlagas Creek
LocationS/O San Felipe RD
RouteCounty Highway 0
Coordinates37.03105, -121.54389
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length160 ft (48.8 m)
Longest span40 ft (12.1 m)
Deck width55 ft (16.8 m)
Roadway width46 ft (14.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,800 (2014)
Projected traffic10,783 by 2042
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Leavesley RD over Llagas Creek built?

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

What condition is Leavesley RD over Llagas 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 2024.

How much traffic does Leavesley RD over Llagas Creek carry?

About 7,800 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is Leavesley RD over Llagas Creek?

The structure is 160 ft (48.8 m) long with a longest span of 40 ft (12.1 m) and a deck 55 ft wide.

Who owns Leavesley RD over Llagas Creek?

It is owned by the County Highway Agency.