US Bridges

Central Expressway over Wolfe Road

Good

Santa Clara County, California · Wolfe Road · Structure no. 37C0182

Built
1970
55 years old
Condition
Good
inspected October 2022
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
166 ft
2 main spans
Daily traffic
57,710
2012 count
Owner
County
County Highway Agency

About this bridge

Central Expressway over Wolfe Road is a concrete continuous box beam or girders - multiple carrying Central Expressway over Wolfe Road in Santa Clara County, California. It was built in 1970, so it is 55 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 57,710 vehicles a day, roughly 5% of them trucks, projected to reach 52,211 by 2044. The structure is 166 ft (50.7 m) long and 104 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCentral Expressway
CrossesWolfe Road
LocationWolfe Road
RouteCity Street 0
Coordinates37.37824, -122.01329
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.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating36.8 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length166 ft (50.7 m)
Longest span82 ft (25 m)
Deck width104 ft (31.6 m)
Roadway width102 ft (31.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic57,710 (2012)
Projected traffic52,211 by 2044
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Central Expressway over Wolfe Road built?

It was built in 1970, making it 55 years old in 2025.

What condition is Central Expressway over Wolfe Road 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 October 2022.

How much traffic does Central Expressway over Wolfe Road carry?

About 57,710 vehicles per day (2012 count), of which roughly 5% are trucks.

How long is Central Expressway over Wolfe Road?

The structure is 166 ft (50.7 m) long with a longest span of 82 ft (25 m) and a deck 104 ft wide.

Who owns Central Expressway over Wolfe Road?

It is owned by the County Highway Agency.