US Bridges

E&W580-W980 Cnnctr over I580 980 Bartd Conns Sts

Fair

Alameda County, California · 04-ALA-580-45.14-OAK · Structure no. 33 0303H

Built
1970
55 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
3,311 ft
36 main spans
Daily traffic
16,000
1998 count
Owner
State
State Highway Agency

About this bridge

E&W580-W980 Cnnctr over I580 980 Bartd Conns Sts is a concrete continuous box beam or girders - multiple carrying E&W580-W980 Cnnctr over I580 980 Bartd Conns Sts in Alameda County, California. It was built in 1970, so it is 55 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 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 16,000 vehicles a day, roughly 2% of them trucks, projected to reach 20,717 by 2044. The structure is 3,311 ft (1,009.2 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesE&W580-W980 Cnnctr
CrossesI580 980 Bartd Conns Sts
Location04-ALA-580-45.14-OAK
RouteInterstate 580
Coordinates37.82509, -122.27254
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75.4 US tons
Inventory rating45 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans36
Design loadHS 20
Structure length3,311 ft (1,009.2 m)
Longest span104 ft (31.8 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck15 ft (4.5 m)

Traffic and service

Average daily traffic16,000 (1998)
Projected traffic20,717 by 2044
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway and railroad
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 E&W580-W980 Cnnctr over I580 980 Bartd Conns Sts built?

It was built in 1970, making it 55 years old in 2025.

What condition is E&W580-W980 Cnnctr over I580 980 Bartd Conns Sts 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 2024.

How much traffic does E&W580-W980 Cnnctr over I580 980 Bartd Conns Sts carry?

About 16,000 vehicles per day (1998 count), of which roughly 2% are trucks.

How long is E&W580-W980 Cnnctr over I580 980 Bartd Conns Sts?

The structure is 3,311 ft (1,009.2 m) long with a longest span of 104 ft (31.8 m) and a deck 34 ft wide.

Who owns E&W580-W980 Cnnctr over I580 980 Bartd Conns Sts?

It is owned by the State Highway Agency.