US Bridges

Watsonville RD over Llagas Creek

Good

Santa Clara County, California · Bowden Ave · Structure no. 37C0092

Built
1968
57 years old
Condition
Good
inspected September 2024
Type
Tee Beam
Concrete Continuous
Length
124 ft
3 main spans
Daily traffic
4,430
2014 count
Owner
County
County Highway Agency

About this bridge

Watsonville RD over Llagas Creek is a concrete continuous tee beam carrying Watsonville RD over Llagas Creek in Santa Clara County, California. It was built in 1968, so it is 57 years old, older 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 4,430 vehicles a day, roughly 7% of them trucks, projected to reach 7,141 by 2042. The structure is 124 ft (37.7 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWatsonville RD
CrossesLlagas Creek
LocationBowden Ave
RouteCounty Highway 0
Coordinates37.08497, -121.6536
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: 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 rating57.9 US tons
Inventory rating44.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length124 ft (37.7 m)
Longest span49 ft (14.9 m)
Deck width46 ft (14.1 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,430 (2014)
Projected traffic7,141 by 2042
Trucks7%
Lanes on structure2
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

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 Watsonville RD over Llagas Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Watsonville RD 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 September 2024.

How much traffic does Watsonville RD over Llagas Creek carry?

About 4,430 vehicles per day (2014 count), of which roughly 7% are trucks.

How long is Watsonville RD over Llagas Creek?

The structure is 124 ft (37.7 m) long with a longest span of 49 ft (14.9 m) and a deck 46 ft wide.

Who owns Watsonville RD over Llagas Creek?

It is owned by the County Highway Agency.