US Bridges

San Martin Ave over E Little Llagas Creek

Good

Santa Clara County, California · 0.2 MI E/O SH 101 · Structure no. 37C0178

Built
1972
53 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete Continuous
Length
51 ft
4 main spans
Daily traffic
6,080
2014 count
Owner
County
County Highway Agency

About this bridge

San Martin Ave over E Little Llagas Creek is a concrete continuous culvert carrying San Martin Ave over E Little Llagas Creek in Santa Clara County, California. It was built in 1972, so it is 53 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 6,080 vehicles a day, roughly 5% of them trucks, projected to reach 6,765 by 2042. The structure is 51 ft (15.5 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSan Martin Ave
CrossesE Little Llagas Creek
Location0.2 MI E/O SH 101
RouteCounty Highway 0
Coordinates37.08993, -121.59607
Functional classRural Minor 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span12 ft (3.7 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,080 (2014)
Projected traffic6,765 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was San Martin Ave over E Little Llagas Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is San Martin Ave over E 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 November 2024.

How much traffic does San Martin Ave over E Little Llagas Creek carry?

About 6,080 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is San Martin Ave over E Little Llagas Creek?

The structure is 51 ft (15.5 m) long with a longest span of 12 ft (3.7 m) and a deck 42 ft wide.

Who owns San Martin Ave over E Little Llagas Creek?

It is owned by the County Highway Agency.