US Bridges

W Middle Ave over W Little Llagas Creek

Good

Santa Clara County, California · 0.25 MI W Monterey HWY · Structure no. 37C0368

Built
1990
35 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete Continuous
Length
100 ft
3 main spans
Daily traffic
2,170
2014 count
Owner
County
County Highway Agency

About this bridge

W Middle Ave over W Little Llagas Creek is a concrete continuous slab carrying W Middle Ave over W Little Llagas Creek in Santa Clara County, California. It was built in 1990, so it is 35 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 2,170 vehicles a day, roughly 5% of them trucks, projected to reach 2,897 by 2042. The structure is 100 ft (30.6 m) long and 37 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesW Middle Ave
CrossesW Little Llagas Creek
Location0.25 MI W Monterey HWY
RouteCounty Highway 0
Coordinates37.09969, -121.63027
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 spans3
Design loadHS 20 + Mod
Structure length100 ft (30.6 m)
Longest span37 ft (11.3 m)
Deck width37 ft (11.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,170 (2014)
Projected traffic2,897 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed5 mi (8 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 W Middle Ave over W Little Llagas Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is W Middle Ave 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 November 2024.

How much traffic does W Middle Ave over W Little Llagas Creek carry?

About 2,170 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is W Middle Ave over W Little Llagas Creek?

The structure is 100 ft (30.6 m) long with a longest span of 37 ft (11.3 m) and a deck 37 ft wide.

Who owns W Middle Ave over W Little Llagas Creek?

It is owned by the County Highway Agency.