US Bridges

San Antonio Vly RD over San Antonio Creek

Good

Santa Clara County, California · 1.8 MI S of Del Puerto RD · Structure no. 37C0090

Built
1966
59 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
50
2014 count
Owner
County
County Highway Agency

About this bridge

San Antonio Vly RD over San Antonio Creek is a steel stringer/multi-beam or girder carrying San Antonio Vly RD over San Antonio Creek in Santa Clara County, California. It was built in 1966, so it is 59 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 50 vehicles a day, roughly 5% of them trucks, projected to reach 167 by 2044. The structure is 32 ft (9.8 m) long and 33 ft wide. If it were closed, the detour would be 70.8 mi (114 km).

CarriesSan Antonio Vly RD
CrossesSan Antonio Creek
Location1.8 MI S of Del Puerto RD
RouteCounty Highway 0
Coordinates37.36743, -121.48755
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 protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating43.5 US tons
Inventory rating26.1 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span29 ft (8.8 m)
Deck width33 ft (10.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2014)
Projected traffic167 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed70.8 mi (114 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 San Antonio Vly RD over San Antonio Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is San Antonio Vly RD over San Antonio 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 2024.

How much traffic does San Antonio Vly RD over San Antonio Creek carry?

About 50 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is San Antonio Vly RD over San Antonio Creek?

The structure is 32 ft (9.8 m) long with a longest span of 29 ft (8.8 m) and a deck 33 ft wide.

Who owns San Antonio Vly RD over San Antonio Creek?

It is owned by the County Highway Agency.