US Bridges

Old Santa Cruz Hy over Old Santa Cruz HWY Viadu

Fair

Santa Clara County, California · 0.1 MI N Ogalla Warpath · Structure no. 37C0585

Built
1983
42 years old
Condition
Fair
inspected February 2024
Type
Slab
Prestressed Concrete
Length
122 ft
6 main spans
Daily traffic
1,950
2014 count
Owner
County
County Highway Agency

About this bridge

Old Santa Cruz Hy over Old Santa Cruz HWY Viadu is a prestressed concrete slab carrying Old Santa Cruz Hy over Old Santa Cruz HWY Viadu in Santa Clara County, California. It was built in 1983, so it is 42 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 1,950 vehicles a day, roughly 5% of them trucks, projected to reach 1,353 by 2046. The structure is 122 ft (37.3 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesOld Santa Cruz Hy
CrossesOld Santa Cruz HWY Viadu
Location0.1 MI N Ogalla Warpath
RouteCounty Highway 0
Coordinates37.16436, -121.98553
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating37.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length122 ft (37.3 m)
Longest span20 ft (6.1 m)
Deck width26 ft (7.8 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,950 (2014)
Projected traffic1,353 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed9.9 mi (16 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Santa Cruz Hy over Old Santa Cruz HWY Viadu built?

It was built in 1983, making it 42 years old in 2025.

What condition is Old Santa Cruz Hy over Old Santa Cruz HWY Viadu 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 February 2024.

How much traffic does Old Santa Cruz Hy over Old Santa Cruz HWY Viadu carry?

About 1,950 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is Old Santa Cruz Hy over Old Santa Cruz HWY Viadu?

The structure is 122 ft (37.3 m) long with a longest span of 20 ft (6.1 m) and a deck 26 ft wide.

Who owns Old Santa Cruz Hy over Old Santa Cruz HWY Viadu?

It is owned by the County Highway Agency.