US Bridges

Oak Glen Ave over Llagas Creek

Good

Santa Clara County, California · 0.04 MI E Uvas RD · Structure no. 37C0165

Built
1954
71 years old
Condition
Good
inspected April 2023
Type
Tee Beam
Concrete
Length
74 ft
1 main span
Daily traffic
1,710
2014 count
Owner
County
County Highway Agency

About this bridge

Oak Glen Ave over Llagas Creek is a concrete tee beam carrying Oak Glen Ave over Llagas Creek in Santa Clara County, California. It was built in 1954, so it is 71 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 1,710 vehicles a day, roughly 5% of them trucks, projected to reach 1,633 by 2040. The structure is 74 ft (22.7 m) long and 31 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesOak Glen Ave
CrossesLlagas Creek
Location0.04 MI E Uvas RD
RouteCounty Highway 0
Coordinates37.12634, -121.73258
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.8 US tons
Inventory rating29.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length74 ft (22.7 m)
Longest span70 ft (21.3 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,710 (2014)
Projected traffic1,633 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 Oak Glen Ave over Llagas Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is Oak Glen Ave 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 April 2023.

How much traffic does Oak Glen Ave over Llagas Creek carry?

About 1,710 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is Oak Glen Ave over Llagas Creek?

The structure is 74 ft (22.7 m) long with a longest span of 70 ft (21.3 m) and a deck 31 ft wide.

Who owns Oak Glen Ave over Llagas Creek?

It is owned by the County Highway Agency.