US Bridges

Mathilda Ave over Central Expressway

Fair

Santa Clara County, California · At Central Expwy · Structure no. 37C0124

Built
1970
55 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
167 ft
2 main spans
Daily traffic
47,876
2018 count
Owner
County
County Highway Agency

About this bridge

Mathilda Ave over Central Expressway is a concrete continuous box beam or girders - multiple carrying Mathilda Ave over Central Expressway 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 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 47,876 vehicles a day, roughly 5% of them trucks, projected to reach 46,061 by 2045. The structure is 167 ft (50.8 m) long and 116 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMathilda Ave
CrossesCentral Expressway
LocationAt Central Expwy
RouteCity Street 0
Coordinates37.38399, -122.03199
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating52.9 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length167 ft (50.8 m)
Longest span82 ft (25 m)
Deck width116 ft (35.4 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,876 (2018)
Projected traffic46,061 by 2045
Trucks5%
Lanes on structure6
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 Mathilda Ave over Central Expressway built?

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

What condition is Mathilda Ave over Central Expressway 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 September 2023.

How much traffic does Mathilda Ave over Central Expressway carry?

About 47,876 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Mathilda Ave over Central Expressway?

The structure is 167 ft (50.8 m) long with a longest span of 82 ft (25 m) and a deck 116 ft wide.

Who owns Mathilda Ave over Central Expressway?

It is owned by the County Highway Agency.