US Bridges

Interstate 80 over Refinery Access RD

Fair

Contra Costa County, California · 04-CC-080-11.69 · Structure no. 28 0155

Built
1958
67 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete
Length
31 ft
1 main span
Daily traffic
115,000
2019 count
Owner
State
State Highway Agency

About this bridge

Interstate 80 over Refinery Access RD is a concrete slab carrying Interstate 80 over Refinery Access RD in Contra Costa County, California. It was built in 1958, so it is 67 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 115,000 vehicles a day, roughly 7% of them trucks, projected to reach 175,929 by 2045. The structure is 31 ft (9.4 m) long and 132 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesInterstate 80
CrossesRefinery Access RD
Location04-CC-080-11.69
RouteInterstate 80
CountyContra Costa County
StateCalifornia
Coordinates38.03412, -122.25139
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.5 US tons
Inventory rating63.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span29 ft (8.7 m)
Deck width132 ft (40.3 m)
Roadway width124 ft (37.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic115,000 (2019)
Projected traffic175,929 by 2045
Trucks7%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
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 Interstate 80 over Refinery Access RD built?

It was built in 1958, making it 67 years old in 2025.

What condition is Interstate 80 over Refinery Access RD 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 July 2023.

How much traffic does Interstate 80 over Refinery Access RD carry?

About 115,000 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is Interstate 80 over Refinery Access RD?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.7 m) and a deck 132 ft wide.

Who owns Interstate 80 over Refinery Access RD?

It is owned by the State Highway Agency.