US Bridges

Mabury Road over Penitencia Creek

Fair

Santa Clara County, California · 0.5 MI E 680 · Structure no. 37C0551

Built
1994
31 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
56 ft
2 main spans
Daily traffic
3,600
1998 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mabury Road over Penitencia Creek is a concrete continuous culvert carrying Mabury Road over Penitencia Creek in Santa Clara County, California. It was built in 1994, so it is 31 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 3,600 vehicles a day, roughly 10% of them trucks, projected to reach 4,464 by 2045. The structure is 56 ft (17.2 m) long and 98 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesMabury Road
CrossesPenitencia Creek
Location0.5 MI E 680
RouteCity Street 0
CountySanta Clara County
StateCalifornia
Coordinates37.36983, -121.86465
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
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 typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length56 ft (17.2 m)
Longest span28 ft (8.4 m)
Deck width98 ft (29.8 m)
Roadway width70 ft (21.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (1998)
Projected traffic4,464 by 2045
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mabury Road over Penitencia Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Mabury Road over Penitencia 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 March 2023.

How much traffic does Mabury Road over Penitencia Creek carry?

About 3,600 vehicles per day (1998 count), of which roughly 10% are trucks.

How long is Mabury Road over Penitencia Creek?

The structure is 56 ft (17.2 m) long with a longest span of 28 ft (8.4 m) and a deck 98 ft wide.

Who owns Mabury Road over Penitencia Creek?

It is owned by the City or Municipal Highway Agency.