US Bridges

Miller Avenue over Calabazas Creek

Fair

Santa Clara County, California · 0.2 M S. of Stevens Creek · Structure no. 37C0431

Built
2001
24 years old
Condition
Fair
inspected May 2024
Type
Slab
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
1,000
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Miller Avenue over Calabazas Creek is a prestressed concrete slab carrying Miller Avenue over Calabazas Creek in Santa Clara County, California. It was built in 2001, so it is 24 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 1,000 vehicles a day, roughly 2% of them trucks, projected to reach 1,561 by 2045. The structure is 36 ft (11 m) long and 94 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMiller Avenue
CrossesCalabazas Creek
Location0.2 M S. of Stevens Creek
RouteCity Street 0
Coordinates37.31991, -122.01394
Functional classUrban Minor 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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry9: Superior to present desirable 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 typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length36 ft (11 m)
Longest span32 ft (9.8 m)
Deck width94 ft (28.8 m)
Roadway width77 ft (23.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2020)
Projected traffic1,561 by 2045
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Miller Avenue over Calabazas Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is Miller Avenue over Calabazas 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 May 2024.

How much traffic does Miller Avenue over Calabazas Creek carry?

About 1,000 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Miller Avenue over Calabazas Creek?

The structure is 36 ft (11 m) long with a longest span of 32 ft (9.8 m) and a deck 94 ft wide.

Who owns Miller Avenue over Calabazas Creek?

It is owned by the City or Municipal Highway Agency.