US Bridges

SB US Highway 101 over Coyote Creek

Fair

Santa Clara County, California · 04-SCL-101-R26.47-SJS · Structure no. 37 0346L

Built
1980
45 years old, rebuilt 2004
Condition
Fair
inspected January 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
474 ft
3 main spans
Daily traffic
50,000
2009 count
Owner
State
State Highway Agency

About this bridge

SB US Highway 101 over Coyote Creek is a prestressed concrete continuous box beam or girders - multiple carrying SB US Highway 101 over Coyote Creek in Santa Clara County, California. It was built in 1980 and reconstructed in 2004, so it is 45 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 50,000 vehicles a day, roughly 9% of them trucks, projected to reach 87,009 by 2045. The structure is 474 ft (144.5 m) long and 95 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSB US Highway 101
CrossesCoyote Creek
Location04-SCL-101-R26.47-SJS
RouteU.S. Route 101
Coordinates37.23926, -121.76452
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 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 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

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length474 ft (144.5 m)
Longest span176 ft (53.7 m)
Deck width95 ft (29 m)
Roadway width92 ft (28.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50,000 (2009)
Projected traffic87,009 by 2045
Trucks9%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SB US Highway 101 over Coyote Creek built?

It was built in 1980, making it 45 years old in 2025. It was reconstructed in 2004.

What condition is SB US Highway 101 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 2023.

How much traffic does SB US Highway 101 over Coyote Creek carry?

About 50,000 vehicles per day (2009 count), of which roughly 9% are trucks.

How long is SB US Highway 101 over Coyote Creek?

The structure is 474 ft (144.5 m) long with a longest span of 176 ft (53.7 m) and a deck 95 ft wide.

Who owns SB US Highway 101 over Coyote Creek?

It is owned by the State Highway Agency.