US Bridges

Almaden Road over Alamitos Creek

Fair

Santa Clara County, California · 0.2 MI N Harry RD · Structure no. 37C0808

Built
1984
41 years old
Condition
Fair
inspected March 2024
Type
Slab
Prestressed Concrete Continuous
Length
205 ft
3 main spans
Daily traffic
8,840
2002 count
Owner
County
County Highway Agency

About this bridge

Almaden Road over Alamitos Creek is a prestressed concrete continuous slab carrying Almaden Road over Alamitos Creek in Santa Clara County, California. It was built in 1984, so it is 41 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 5 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 8,840 vehicles a day, roughly 5% of them trucks, projected to reach 12,489 by 2042. The structure is 205 ft (62.5 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAlmaden Road
CrossesAlamitos Creek
Location0.2 MI N Harry RD
RouteCounty Highway 0
Coordinates37.20358, -121.83031
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length205 ft (62.5 m)
Longest span71 ft (21.6 m)
Deck width52 ft (16 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,840 (2002)
Projected traffic12,489 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Almaden Road over Alamitos Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Almaden Road over Alamitos 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 March 2024.

How much traffic does Almaden Road over Alamitos Creek carry?

About 8,840 vehicles per day (2002 count), of which roughly 5% are trucks.

How long is Almaden Road over Alamitos Creek?

The structure is 205 ft (62.5 m) long with a longest span of 71 ft (21.6 m) and a deck 52 ft wide.

Who owns Almaden Road over Alamitos Creek?

It is owned by the County Highway Agency.