US Bridges

San Pablo Ave over Garrity Creek

Good

Contra Costa County, California · 0.03 MI N Tara Hills DR · Structure no. 28C0059

Built
1924
101 years old, rebuilt 1966
Condition
Good
inspected September 2024
Type
Tee Beam
Concrete
Length
31 ft
1 main span
Daily traffic
15,260
2014 count
Owner
County
County Highway Agency

About this bridge

San Pablo Ave over Garrity Creek is a concrete tee beam carrying San Pablo Ave over Garrity Creek in Contra Costa County, California. It was built in 1924 and reconstructed in 1966, so it is 101 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 15,260 vehicles a day, roughly 2% of them trucks, projected to reach 7,165 by 2044. The structure is 31 ft (9.4 m) long and 97 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSan Pablo Ave
CrossesGarrity Creek
Location0.03 MI N Tara Hills DR
RouteCity Street 0
Coordinates37.99977, -122.32176
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating23.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span30 ft (9.1 m)
Deck width97 ft (29.6 m)
Roadway width77 ft (23.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,260 (2014)
Projected traffic7,165 by 2044
Trucks2%
Lanes on structure5
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 Garrity Creek built?

It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1966.

What condition is San Pablo Ave over Garrity 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 Garrity Creek carry?

About 15,260 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is San Pablo Ave over Garrity Creek?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 97 ft wide.

Who owns San Pablo Ave over Garrity Creek?

It is owned by the County Highway Agency.