US Bridges

Capitol Expwy over Coyote Creek

Fair

Santa Clara County, California · 0.5 MI S/W of US 101 · Structure no. 37C0042

Built
1964
61 years old, rebuilt 1969
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete Continuous
Length
257 ft
6 main spans
Daily traffic
42,680
2010 count
Owner
County
County Highway Agency

About this bridge

Capitol Expwy over Coyote Creek is a concrete continuous tee beam carrying Capitol Expwy over Coyote Creek in Santa Clara County, California. It was built in 1964 and reconstructed in 1969, so it is 61 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 42,680 vehicles a day, roughly 5% of them trucks, projected to reach 54,024 by 2043. The structure is 257 ft (78.3 m) long and 134 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCapitol Expwy
CrossesCoyote Creek
Location0.5 MI S/W of US 101
RouteCounty Highway 0
Coordinates37.29815, -121.82489
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating45.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length257 ft (78.3 m)
Longest span46 ft (14 m)
Deck width134 ft (40.8 m)
Roadway width104 ft (31.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,680 (2010)
Projected traffic54,024 by 2043
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Capitol Expwy over Coyote Creek built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1969.

What condition is Capitol Expwy over Coyote Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does Capitol Expwy over Coyote Creek carry?

About 42,680 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is Capitol Expwy over Coyote Creek?

The structure is 257 ft (78.3 m) long with a longest span of 46 ft (14 m) and a deck 134 ft wide.

Who owns Capitol Expwy over Coyote Creek?

It is owned by the County Highway Agency.