US Bridges

Manzanita Drive over San Pablo Creek

Good

Contra Costa County, California · 0.2 MI E of Camino Pablo · Structure no. 28C0498

Built
2014
11 years old
Condition
Good
inspected December 2023
Type
Slab
Concrete Continuous
Length
76 ft
3 main spans
Daily traffic
612
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Manzanita Drive over San Pablo Creek is a concrete continuous slab carrying Manzanita Drive over San Pablo Creek in Contra Costa County, California. It was built in 2014, so it is 11 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 612 vehicles a day, projected to reach 1,641 by 2042. The structure is 76 ft (23.2 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesManzanita Drive
CrossesSan Pablo Creek
Location0.2 MI E of Camino Pablo
RouteCity Street 0
CountyContra Costa County
StateCalifornia
Coordinates37.89368, -122.20222
Functional classUrban Local

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 protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span30 ft (9.1 m)
Deck width34 ft (10.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic612 (2020)
Projected traffic1,641 by 2042
Trucks0%
Lanes on structure2
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 Manzanita Drive over San Pablo Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is Manzanita Drive over San Pablo 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 December 2023.

How much traffic does Manzanita Drive over San Pablo Creek carry?

About 612 vehicles per day (2020 count).

How long is Manzanita Drive over San Pablo Creek?

The structure is 76 ft (23.2 m) long with a longest span of 30 ft (9.1 m) and a deck 34 ft wide.

Who owns Manzanita Drive over San Pablo Creek?

It is owned by the City or Municipal Highway Agency.