US Bridges

Sunset Ave over Silver Creek

Good

Santa Clara County, California · Btwn Alumrock & San Antno · Structure no. 37C0595

Built
1979
46 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete Continuous
Length
36 ft
3 main spans
Daily traffic
2,120
1975 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sunset Ave over Silver Creek is a concrete continuous culvert carrying Sunset Ave over Silver Creek in Santa Clara County, California. It was built in 1979, so it is 46 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 2,120 vehicles a day, roughly 3% of them trucks, projected to reach 3,591 by 2045. The structure is 36 ft (11 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSunset Ave
CrossesSilver Creek
LocationBtwn Alumrock & San Antno
RouteCity Street 0
Coordinates37.35458, -121.84811
Functional classUrban Local

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 inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum 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 spans3
Design loadUnknown
Structure length36 ft (11 m)
Longest span12 ft (3.7 m)
Deck width70 ft (21.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,120 (1975)
Projected traffic3,591 by 2045
Trucks3%
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

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 Sunset Ave over Silver Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is Sunset Ave over Silver 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 March 2023.

How much traffic does Sunset Ave over Silver Creek carry?

About 2,120 vehicles per day (1975 count), of which roughly 3% are trucks.

How long is Sunset Ave over Silver Creek?

The structure is 36 ft (11 m) long with a longest span of 12 ft (3.7 m) and a deck 70 ft wide.

Who owns Sunset Ave over Silver Creek?

It is owned by the City or Municipal Highway Agency.