US Bridges

Interstate 280 over Coyote Creek

Fair

Santa Clara County, California · 04-SCL-280-R1.08-SJS · Structure no. 37 0282

Built
1972
53 years old, rebuilt 2000
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
453 ft
4 main spans
Daily traffic
250,300
2019 count
Owner
State
State Highway Agency

About this bridge

Interstate 280 over Coyote Creek is a steel stringer/multi-beam or girder carrying Interstate 280 over Coyote Creek in Santa Clara County, California. It was built in 1972 and reconstructed in 2000, so it is 53 years old, younger 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 6 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 250,300 vehicles a day, roughly 3% of them trucks, projected to reach 295,586 by 2045. The structure is 453 ft (138.2 m) long and 164 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesInterstate 280
CrossesCoyote Creek
Location04-SCL-280-R1.08-SJS
RouteInterstate 280
CountySanta Clara County
StateCalifornia
Coordinates37.33031, -121.86767
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.5 US tons
Inventory rating26.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length453 ft (138.2 m)
Longest span117 ft (35.8 m)
Deck width164 ft (50 m)
Roadway width160 ft (48.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250,300 (2019)
Projected traffic295,586 by 2045
Trucks3%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Interstate 280 over Coyote Creek built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2000.

What condition is Interstate 280 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 January 2025.

How much traffic does Interstate 280 over Coyote Creek carry?

About 250,300 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Interstate 280 over Coyote Creek?

The structure is 453 ft (138.2 m) long with a longest span of 117 ft (35.8 m) and a deck 164 ft wide.

Who owns Interstate 280 over Coyote Creek?

It is owned by the State Highway Agency.