US Bridges

Mabury Road over Penitencia Creek

Good

Santa Clara County, California · 0.5 MI E I-680 · Structure no. 37C0236

Built
1994
31 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete Continuous
Length
27 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 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 3,600 vehicles a day, roughly 10% of them trucks, projected to reach 4,464 by 2045. The structure is 27 ft (8.2 m) long and 78 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 I-680
RouteCity Street 0
CountySanta Clara County
StateCalifornia
Coordinates37.37193, -121.86162
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span13 ft (4 m)
Deck width78 ft (23.9 m)
Roadway width56 ft (17.1 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 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 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 27 ft (8.2 m) long with a longest span of 13 ft (4 m) and a deck 78 ft wide.

Who owns Mabury Road over Penitencia Creek?

It is owned by the City or Municipal Highway Agency.