US Bridges

Hamilton Ave over Los Gatos Creek

Good

Santa Clara County, California · Near Bascom Ave · Structure no. 37C0157

Built
1960
65 years old, rebuilt 1982
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
124 ft
1 main span
Daily traffic
56,709
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hamilton Ave over Los Gatos Creek is a prestressed concrete stringer/multi-beam or girder carrying Hamilton Ave over Los Gatos Creek in Santa Clara County, California. It was built in 1960 and reconstructed in 1982, so it is 65 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 56,709 vehicles a day, roughly 8% of them trucks, projected to reach 109,045 by 2045. The structure is 124 ft (37.9 m) long and 115 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHamilton Ave
CrossesLos Gatos Creek
LocationNear Bascom Ave
RouteCity Street 0
Coordinates37.29415, -121.93326
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating23.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length124 ft (37.9 m)
Longest span120 ft (36.6 m)
Deck width115 ft (35.1 m)
Roadway width103 ft (31.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic56,709 (2020)
Projected traffic109,045 by 2045
Trucks8%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Hamilton Ave over Los Gatos Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1982.

What condition is Hamilton Ave 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 May 2024.

How much traffic does Hamilton Ave over Los Gatos Creek carry?

About 56,709 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Hamilton Ave over Los Gatos Creek?

The structure is 124 ft (37.9 m) long with a longest span of 120 ft (36.6 m) and a deck 115 ft wide.

Who owns Hamilton Ave over Los Gatos Creek?

It is owned by the City or Municipal Highway Agency.