US Bridges

W580-BAYVIEW Off over None

Fair

Contra Costa County, California · 04-CC-580-1.07 · Structure no. 28 0271J

Built
1987
38 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
739 ft
8 main spans
Daily traffic
3,650
2014 count
Owner
State
State Highway Agency

About this bridge

W580-BAYVIEW Off over None is a concrete continuous box beam or girders - multiple carrying W580-BAYVIEW Off over None in Contra Costa County, California. It was built in 1987, so it is 38 years old, younger 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 3,650 vehicles a day, roughly 5% of them trucks, projected to reach 4,081 by 2042. The structure is 739 ft (225.2 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesW580-BAYVIEW Off
CrossesNone
Location04-CC-580-1.07
RouteInterstate 580
Coordinates37.91057, -122.32223
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20 + Mod
Structure length739 ft (225.2 m)
Longest span100 ft (30.5 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,650 (2014)
Projected traffic4,081 by 2042
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed1.2 mi (2 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 W580-BAYVIEW Off over None built?

It was built in 1987, making it 38 years old in 2025.

What condition is W580-BAYVIEW Off over None 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 March 2024.

How much traffic does W580-BAYVIEW Off over None carry?

About 3,650 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is W580-BAYVIEW Off over None?

The structure is 739 ft (225.2 m) long with a longest span of 100 ft (30.5 m) and a deck 27 ft wide.

Who owns W580-BAYVIEW Off over None?

It is owned by the State Highway Agency.