US Bridges

Tennent Ave over Pinole Creek

Fair

Contra Costa County, California · 0.3 MI S San Pablo Ave · Structure no. 28C0133

Built
1967
58 years old, rebuilt 1997
Condition
Fair
inspected December 2024
Type
Tee Beam
Concrete
Length
28 ft
1 main span
Daily traffic
8,000
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Tennent Ave over Pinole Creek is a concrete tee beam carrying Tennent Ave over Pinole Creek in Contra Costa County, California. It was built in 1967 and reconstructed in 1997, so it is 58 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 8,000 vehicles a day, roughly 1% of them trucks, projected to reach 22,026 by 2042. The structure is 28 ft (8.5 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesTennent Ave
CrossesPinole Creek
Location0.3 MI S San Pablo Ave
RouteCity Street 0
CountyContra Costa County
StateCalifornia
Coordinates38.00244, -122.28847
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating27.4 US tons
Inventory rating19.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span27 ft (8.2 m)
Deck width51 ft (15.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,000 (2020)
Projected traffic22,026 by 2042
Trucks1%
Lanes on structure3
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 Tennent Ave over Pinole Creek built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1997.

What condition is Tennent Ave over Pinole 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 December 2024.

How much traffic does Tennent Ave over Pinole Creek carry?

About 8,000 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Tennent Ave over Pinole Creek?

The structure is 28 ft (8.5 m) long with a longest span of 27 ft (8.2 m) and a deck 51 ft wide.

Who owns Tennent Ave over Pinole Creek?

It is owned by the City or Municipal Highway Agency.