US Bridges

Marina Vista Ave over Shell Oil CO Pipe Uc

Fair

Contra Costa County, California · 0.4 MI S/W Shell Ave · Structure no. 28C0457

Built
1920
105 years old
Condition
Fair
inspected February 2025
Type
Frame
Concrete Continuous
Length
48 ft
5 main spans
Daily traffic
14,000
2020 count
Owner
Private
Private (other than railroad)

About this bridge

Marina Vista Ave over Shell Oil CO Pipe Uc is a concrete continuous frame carrying Marina Vista Ave over Shell Oil CO Pipe Uc in Contra Costa County, California. It was built in 1920, so it is 105 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 5 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 14,000 vehicles a day, roughly 10% of them trucks, projected to reach 20,564 by 2047. The structure is 48 ft (14.6 m) long and 50 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesMarina Vista Ave
CrossesShell Oil CO Pipe Uc
Location0.4 MI S/W Shell Ave
RouteCity Street 0
CountyContra Costa County
StateCalifornia
Coordinates38.02248, -122.12509
Functional classUrban Other Principal 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29.7 US tons
Inventory rating17.9 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length48 ft (14.6 m)
Longest span9 ft (2.8 m)
Deck width50 ft (15.3 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,000 (2020)
Projected traffic20,564 by 2047
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesOther
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerPrivate (other than railroad)
Maintained byPrivate (other than railroad)
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Marina Vista Ave over Shell Oil CO Pipe Uc built?

It was built in 1920, making it 105 years old in 2025.

What condition is Marina Vista Ave over Shell Oil CO Pipe Uc 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 February 2025.

How much traffic does Marina Vista Ave over Shell Oil CO Pipe Uc carry?

About 14,000 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Marina Vista Ave over Shell Oil CO Pipe Uc?

The structure is 48 ft (14.6 m) long with a longest span of 9 ft (2.8 m) and a deck 50 ft wide.

Who owns Marina Vista Ave over Shell Oil CO Pipe Uc?

It is owned by the Private (other than railroad).