US Bridges

Wolfe Road over UP RR & Caltrain

Fair

Santa Clara County, California · .3 MI S/O Central Exprswy · Structure no. 37C0776

Built
1981
44 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
662 ft
1 main span
Daily traffic
21,956
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Wolfe Road over UP RR & Caltrain is a prestressed concrete box beam or girders - multiple carrying Wolfe Road over UP RR & Caltrain in Santa Clara County, California. It was built in 1981, so it is 44 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 6 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 21,956 vehicles a day, roughly 9% of them trucks, projected to reach 44,887 by 2046. The structure is 662 ft (201.8 m) long and 94 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesWolfe Road
CrossesUP RR & Caltrain
Location.3 MI S/O Central Exprswy
RouteCity Street 0
CountySanta Clara County
StateCalifornia
Coordinates37.37233, -122.01369
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+6 approach)
Design loadHS 20
Structure length662 ft (201.8 m)
Longest span105 ft (32 m)
Deck width94 ft (28.7 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,956 (2023)
Projected traffic44,887 by 2046
Trucks9%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 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 Wolfe Road over UP RR & Caltrain built?

It was built in 1981, making it 44 years old in 2025.

What condition is Wolfe Road over UP RR & Caltrain 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 April 2024.

How much traffic does Wolfe Road over UP RR & Caltrain carry?

About 21,956 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Wolfe Road over UP RR & Caltrain?

The structure is 662 ft (201.8 m) long with a longest span of 105 ft (32 m) and a deck 94 ft wide.

Who owns Wolfe Road over UP RR & Caltrain?

It is owned by the City or Municipal Highway Agency.