US Bridges

Monterey Road over W. Little Llagas Creek

Good

Santa Clara County, California · Jeo Watsonville Road · Structure no. 37C0438

Built
1965
60 years old, rebuilt 2013
Condition
Good
inspected January 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
22,000
2012 count
Owner
City
City or Municipal Highway Agency

About this bridge

Monterey Road over W. Little Llagas Creek is a concrete continuous culvert carrying Monterey Road over W. Little Llagas Creek in Santa Clara County, California. It was built in 1965 and reconstructed in 2013, so it is 60 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 22,000 vehicles a day, roughly 5% of them trucks, projected to reach 29,238 by 2046. The structure is 21 ft (6.5 m) long and 148 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMonterey Road
CrossesW. Little Llagas Creek
LocationJeo Watsonville Road
RouteCity Street 0
Coordinates37.1075, -121.63504
Functional classUrban Collector

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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable 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
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length21 ft (6.5 m)
Longest span10 ft (3 m)
Deck width148 ft (45.2 m)
Roadway width142 ft (43.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,000 (2012)
Projected traffic29,238 by 2046
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Monterey Road over W. Little Llagas Creek built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2013.

What condition is Monterey Road over W. Little 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 January 2024.

How much traffic does Monterey Road over W. Little Llagas Creek carry?

About 22,000 vehicles per day (2012 count), of which roughly 5% are trucks.

How long is Monterey Road over W. Little Llagas Creek?

The structure is 21 ft (6.5 m) long with a longest span of 10 ft (3 m) and a deck 148 ft wide.

Who owns Monterey Road over W. Little Llagas Creek?

It is owned by the City or Municipal Highway Agency.