US Bridges

W580-CENTRAL Off over Central Ave

Fair

Contra Costa County, California · 04-CC-580-0.14-RCH · Structure no. 28 0231K

Built
1991
34 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
433 ft
6 main spans
Daily traffic
4,300
2011 count
Owner
State
State Highway Agency

About this bridge

W580-CENTRAL Off over Central Ave is a concrete continuous box beam or girders - multiple carrying W580-CENTRAL Off over Central Ave in Contra Costa County, California. It was built in 1991, so it is 34 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 6 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 4,300 vehicles a day, roughly 5% of them trucks, projected to reach 4,846 by 2042. The structure is 433 ft (132 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesW580-CENTRAL Off
CrossesCentral Ave
Location04-CC-580-0.14-RCH
RouteInterstate 580
CountyContra Costa County
StateCalifornia
Coordinates37.89901, -122.31283
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 48 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

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length433 ft (132 m)
Longest span79 ft (24.2 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,300 (2011)
Projected traffic4,846 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-CENTRAL Off over Central Ave built?

It was built in 1991, making it 34 years old in 2025.

What condition is W580-CENTRAL Off over Central Ave 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-CENTRAL Off over Central Ave carry?

About 4,300 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is W580-CENTRAL Off over Central Ave?

The structure is 433 ft (132 m) long with a longest span of 79 ft (24.2 m) and a deck 28 ft wide.

Who owns W580-CENTRAL Off over Central Ave?

It is owned by the State Highway Agency.