US Bridges

Alamitos Road over Alamitos Creek

Good

Santa Clara County, California · 0.4 MI S of Bertram RD · Structure no. 37C0603

Built
2023
2 years old
Condition
Good
inspected February 2024
Type
Girder and Floorbeam System
Prestressed Concrete Continuous
Length
176 ft
3 main spans
Daily traffic
360
2015 count
Owner
County
County Highway Agency

About this bridge

Alamitos Road over Alamitos Creek is a prestressed concrete continuous girder and floorbeam system carrying Alamitos Road over Alamitos Creek in Santa Clara County, California. It was built in 2023, so it is 2 years old, younger 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 360 vehicles a day, roughly 5% of them trucks, projected to reach 470 by 2044. The structure is 176 ft (53.6 m) long and 39 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

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CarriesAlamitos Road
CrossesAlamitos Creek
Location0.4 MI S of Bertram RD
RouteCounty Highway 0
CountySanta Clara County
StateCalifornia
Coordinates37.16817, -121.8284
Functional classRural Local

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 2024
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 geometry7: Better than 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

Structure typeGirder and Floorbeam System
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length176 ft (53.6 m)
Longest span60 ft (18.4 m)
Deck width39 ft (11.8 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic360 (2015)
Projected traffic470 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Alamitos Road over Alamitos Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is Alamitos Road over Alamitos 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 2024.

How much traffic does Alamitos Road over Alamitos Creek carry?

About 360 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Alamitos Road over Alamitos Creek?

The structure is 176 ft (53.6 m) long with a longest span of 60 ft (18.4 m) and a deck 39 ft wide.

Who owns Alamitos Road over Alamitos Creek?

It is owned by the County Highway Agency.