US Bridges

San Antonio ST over Coyote Creek

Good

Santa Clara County, California · 0.8 MI West of US 101 · Structure no. 37C0109

Built
1928
97 years old
Condition
Good
inspected March 2023
Type
Tee Beam
Concrete Continuous
Length
153 ft
3 main spans
Daily traffic
5,300
1972 count
Owner
City
City or Municipal Highway Agency

About this bridge

San Antonio ST over Coyote Creek is a concrete continuous tee beam carrying San Antonio ST over Coyote Creek in Santa Clara County, California. It was built in 1928, so it is 97 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 5,300 vehicles a day, roughly 2% of them trucks, projected to reach 6,815 by 2041. The structure is 153 ft (46.6 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSan Antonio ST
CrossesCoyote Creek
Location0.8 MI West of US 101
RouteCity Street 0
Coordinates37.34025, -121.87082
Functional classUrban Minor Arterial

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating27.1 US tons
Inventory rating16.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length153 ft (46.6 m)
Longest span58 ft (17.7 m)
Deck width41 ft (12.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,300 (1972)
Projected traffic6,815 by 2041
Trucks2%
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 San Antonio ST over Coyote Creek built?

It was built in 1928, making it 97 years old in 2025.

What condition is San Antonio ST over Coyote 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 San Antonio ST over Coyote Creek carry?

About 5,300 vehicles per day (1972 count), of which roughly 2% are trucks.

How long is San Antonio ST over Coyote Creek?

The structure is 153 ft (46.6 m) long with a longest span of 58 ft (17.7 m) and a deck 41 ft wide.

Who owns San Antonio ST over Coyote Creek?

It is owned by the City or Municipal Highway Agency.