US Bridges

Middlefield RD over Matadero Creek

Fair

Santa Clara County, California · Jso Ellsworth Place · Structure no. 37C0369

Built
1988
37 years old
Condition
Fair
inspected April 2024
Type
Slab
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
2,000
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Middlefield RD over Matadero Creek is a prestressed concrete slab carrying Middlefield RD over Matadero Creek in Santa Clara County, California. It was built in 1988, so it is 37 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 2,000 vehicles a day, roughly 2% of them trucks, projected to reach 2,754 by 2046. The structure is 43 ft (13.2 m) long and 88 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMiddlefield RD
CrossesMatadero Creek
LocationJso Ellsworth Place
RouteCity Street 0
Coordinates37.43144, -122.12598
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum 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 loadHS 20 + Mod
Structure length43 ft (13.2 m)
Longest span41 ft (12.5 m)
Deck width88 ft (26.8 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2014)
Projected traffic2,754 by 2046
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Middlefield RD over Matadero Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Middlefield RD over Matadero 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 April 2024.

How much traffic does Middlefield RD over Matadero Creek carry?

About 2,000 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is Middlefield RD over Matadero Creek?

The structure is 43 ft (13.2 m) long with a longest span of 41 ft (12.5 m) and a deck 88 ft wide.

Who owns Middlefield RD over Matadero Creek?

It is owned by the City or Municipal Highway Agency.