US Bridges

San Tomas Expwy over Los Gatos Creek

Good

Santa Clara County, California · 0.01 MI N SH 17 · Structure no. 37C0053

Built
1968
57 years old
Condition
Good
inspected February 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
149 ft
3 main spans
Daily traffic
62,140
2014 count
Owner
County
County Highway Agency

About this bridge

San Tomas Expwy over Los Gatos Creek is a steel stringer/multi-beam or girder carrying San Tomas Expwy over Los Gatos Creek in Santa Clara County, California. It was built in 1968, so it is 57 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 62,140 vehicles a day, roughly 7% of them trucks, projected to reach 77,469 by 2044. The structure is 149 ft (45.4 m) long and 128 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSan Tomas Expwy
CrossesLos Gatos Creek
Location0.01 MI N SH 17
RouteCounty Highway 0
Coordinates37.27203, -121.94901
Functional classUrban Other Principal 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 protection8 Very GoodNo problems noted.
Last inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.6 US tons
Inventory rating49.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length149 ft (45.4 m)
Longest span49 ft (15 m)
Deck width128 ft (39 m)
Roadway width116 ft (35.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62,140 (2014)
Projected traffic77,469 by 2044
Trucks7%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 San Tomas Expwy over Los Gatos Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is San Tomas Expwy over Los Gatos 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 February 2022.

How much traffic does San Tomas Expwy over Los Gatos Creek carry?

About 62,140 vehicles per day (2014 count), of which roughly 7% are trucks.

How long is San Tomas Expwy over Los Gatos Creek?

The structure is 149 ft (45.4 m) long with a longest span of 49 ft (15 m) and a deck 128 ft wide.

Who owns San Tomas Expwy over Los Gatos Creek?

It is owned by the County Highway Agency.