US Bridges

Camino Sobrante over San Pablo Creek

Poor

Contra Costa County, California · 75 Ft E Camino Pablo · Structure no. 28C0388

Built
1955
70 years old
Condition
Poor
inspected December 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
2,514
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Camino Sobrante over San Pablo Creek is a concrete continuous culvert carrying Camino Sobrante over San Pablo Creek in Contra Costa County, California. It was built in 1955, so it is 70 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,514 vehicles a day, roughly 1% of them trucks, projected to reach 6,370 by 2040. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCamino Sobrante
CrossesSan Pablo Creek
Location75 Ft E Camino Pablo
RouteCity Street 0
CountyContra Costa County
StateCalifornia
Coordinates37.88376, -122.19181
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2023
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum 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 (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,514 (2020)
Projected traffic6,370 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.8 million (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Camino Sobrante over San Pablo Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Camino Sobrante over San Pablo Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2023.

How much traffic does Camino Sobrante over San Pablo Creek carry?

About 2,514 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Camino Sobrante over San Pablo Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns Camino Sobrante over San Pablo Creek?

It is owned by the City or Municipal Highway Agency.