US Bridges

San Pablo Ave over Mccarthy Creek

Good

Contra Costa County, California · 0.2 MI NE Tara Hills DR · Structure no. 28C0060

Built
1969
56 years old, rebuilt 1971
Condition
Good
inspected September 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
15,109
2014 count
Owner
County
County Highway Agency

About this bridge

San Pablo Ave over Mccarthy Creek is a concrete continuous culvert carrying San Pablo Ave over Mccarthy Creek in Contra Costa County, California. It was built in 1969 and reconstructed in 1971, so it is 56 years old, older 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 15,109 vehicles a day, roughly 8% of them trucks, projected to reach 15,014 by 2044. The structure is 21 ft (6.3 m) long and 90 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSan Pablo Ave
CrossesMccarthy Creek
Location0.2 MI NE Tara Hills DR
RouteCounty Highway 0
Coordinates38.00066, -122.32036
Functional classUrban Other Principal 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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width90 ft (27.4 m)
Roadway width61 ft (18.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,109 (2014)
Projected traffic15,014 by 2044
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was San Pablo Ave over Mccarthy Creek built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 1971.

What condition is San Pablo Ave over Mccarthy 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 September 2024.

How much traffic does San Pablo Ave over Mccarthy Creek carry?

About 15,109 vehicles per day (2014 count), of which roughly 8% are trucks.

How long is San Pablo Ave over Mccarthy Creek?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 90 ft wide.

Who owns San Pablo Ave over Mccarthy Creek?

It is owned by the County Highway Agency.