US Bridges

State Route 17 over Los Gatos Creek

Fair

Santa Clara County, California · 04-SCL-017-12.03-CMB · Structure no. 37 0134

Built
1959
66 years old, rebuilt 1971
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete Continuous
Length
131 ft
3 main spans
Daily traffic
151,200
2017 count
Owner
State
State Highway Agency

About this bridge

State Route 17 over Los Gatos Creek is a concrete continuous tee beam carrying State Route 17 over Los Gatos Creek in Santa Clara County, California. It was built in 1959 and reconstructed in 1971, so it is 66 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 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 151,200 vehicles a day, roughly 7% of them trucks, projected to reach 200,973 by 2044. The structure is 131 ft (39.9 m) long and 150 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesState Route 17
CrossesLos Gatos Creek
Location04-SCL-017-12.03-CMB
RouteState Highway 17
Coordinates37.29019, -121.93626
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 protection7 GoodSome minor problems.
Last inspectionJuly 2024
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.2 US tons
Inventory rating25 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length131 ft (39.9 m)
Longest span50 ft (15.2 m)
Deck width150 ft (45.8 m)
Roadway width146 ft (44.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic151,200 (2017)
Projected traffic200,973 by 2044
Trucks7%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 State Route 17 over Los Gatos Creek built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1971.

What condition is State Route 17 over Los Gatos 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 July 2024.

How much traffic does State Route 17 over Los Gatos Creek carry?

About 151,200 vehicles per day (2017 count), of which roughly 7% are trucks.

How long is State Route 17 over Los Gatos Creek?

The structure is 131 ft (39.9 m) long with a longest span of 50 ft (15.2 m) and a deck 150 ft wide.

Who owns State Route 17 over Los Gatos Creek?

It is owned by the State Highway Agency.